POSNER, Circuit Judge.
The question presented by this appeal is whether a taxpayer can ever have standing under Article III of the Constitution to litigate an alleged violation of the First Amendment’s establishment clause unless Congress has earmarked money for the program or activity that is challenged. The district judge thought not, and would have been correct in his thinking under an earlier view of Article Ill’s limitation of the federal judicial power to deciding “Cases” and “Controversies.” It was once thought that these terms (which “are, for all intents and purposes, synonymous,” Jones v. Griffith, 870 F.2d 1363, 1366 (7th Cir.1989)) limited federal jurisdiction to cases in which the plaintiff alleged the kind of injury that would have supported a lawsuit in the eighteenth century. In the words of Justice Frankfurter, “Both by what they said and by what they implied, the framers of the Judiciary Article gave merely the outlines of what were to them the familiar operations of the English judicial system and its manifestations on this side of the ocean before the Union. Judicial power could come into play only in matters that were the traditional concern of the courts at Westminster and only if they arose in ways that to the expert feel of lawyers constituted ‘Cases’ or ‘Controversies.’ ... Even as to the kinds of questions which were the staple of judicial business, it was not for courts to pass upon them as abstract, intellectual problems but only if a concrete, living contest between adversaries called for the arbitrament of law.” Coleman v. Miller, 307 U.S. 433, 460, 59 S.Ct. 972, 83 L.Ed. 1385 (1939) (concurring opinion).
In line with Justice Frankfurter’s thinking, Doremus v. Board of Education, 342 U.S. 429, 433-34, 72 S.Ct. 394, 96 L.Ed. 475 (1952), rejected taxpayer standing as inconsistent with Article III, cf. Frothingham v. Mellon, 262 U.S. 447, 488, 43 S.Ct. 597, 67 L.Ed. 1078 (1923), though a taxpayer could sue in state court to enforce his federal right if the state didn’t impose as rigorous a standing requirement as Article III does. See, e.g., Appleton v. Menasha, 142 Wis.2d 870, 419 N.W.2d 249, 252-53 (1988). The tangible harm to the taxpayer complaining of the expenditure was too attenuated to satisfy eighteenth-century notions of standing embodied in Article III. Indeed, the tangible harm would often be zero because if the complained-of expenditure was enjoined, the money would probably be used to defray some other public expense that would not benefit the taxpayer, rather than returned to him in the form of a lower tax rate.
Notions of standing have changed in ways to induce apoplexy in an eighteenth-century lawyer. For example, Department of Commerce v. U.S. House of Representatives, 525 U.S. 316, 331, 119 S.Ct. 765, 142 L.Ed.2d 797 (1999), upheld standing to challenge the use of statistical sampling for the decennial census; the mere “threat of vote dilution” as a result of the methodology was deemed sufficiently concrete, actual, and imminent to confer standing. Federal Election Commission v. Akins, 524 U.S. 11, 20-25, 118 S.Ct. 1777, 141 L.Ed.2d 10 (1998), upheld standing to sue for lists of donors to political action committees, on the ground “that the information would help [the committees] (and others to whom they would communicate it) to evaluate candidates for public office.” Bush v. Vera, 517 U.S. 952, 958, 116 S.Ct. 1941, 135 L.Ed.2d 248 (1996) (plurality opinion), upheld the standing of voters who lived in newly created majority-minority congressional districts to challenge them as racially gerrymandered on the ground that such districting denied them equal treatment. U.S. Term Limits, Inc. v. Thornton, 514 U.S. 779, 115 S.Ct. 1842, 131 [991]*991L.Ed.2d 881 (1995), assumed (without discussion) that there was taxpayer and voter standing to challenge a state constitutional amendment that provided that no candidate could be on the ballot who had already served either three terms in the House of Representatives or two terms in the Senate.
And with specific reference to the establishment clause, consider our decision in American Civil Liberties Union v. City of St. Charles, 794 F.2d 265, 267-69 (7th Cir. 1986), where we considered how much (or rather how little) injury is required to establish conventional (not even taxpayer) standing in an establishment-clause ease. We thought it enough that the plaintiffs, who objected to the prominent display of a cross on public property at Christmas time, had “been led to alter their behavior — to detour, at some inconvenience to themselves, around the streets they ordinarily use,” in order to avoid having to see the cross. Id. at 268. “The curtailment of their use of public rights of way” was injury enough to support their suit. Id. In reaching this conclusion we relied on Abington School District v. Schempp, 374 U.S. 203, 83 S.Ct. 1560, 10 L.Ed.2d 844 (1963), where the Supreme Court had held that schoolchildren and their parents had standing to complain that the reading of the Bible and the recitation of the Lord’s Prayer in the public school that the children attended violated the establishment clause. The specific injury to the plaintiffs could have been averted by the parents’ taking their children out of the public school and putting them in a secular private school (or by moving to another public school district), but those options did not deprive the plaintiffs of standing because it was an injury to them to take' their children out of the public school, just as it was an injury to the plaintiffs in the St. Charles case that they had to detour to avoid the direct effect on them of the alleged violation (in effect, to mitigate their damages). No such ground of standing is claimed here, however; it is taxpayer standing or nothing for these plaintiffs.
It was not long after Schempp that the Supreme Court decided Flast v. Cohen, 392 U.S. 83, 88 S.Ct. 1942, 20 L.Ed.2d 947 (1968), in favor of a taxpayer challenge in federal court to an alleged violation of the establishment clause. Congress had appropriated money for grants of financial assistance to private as well as public schools, and the plaintiffs complained that insofar as some of the grants had been made to parochial schools, the statute violated the establishment clause. The Court interpreted Frothingham and Doremus as having rested not on Article III — not on the notion that the injury that a taxpayer sustains if his taxes are used for a purpose offensive to him is too slight (in the Frankfurterian originalist conception) to sustain a case or controversy in the Article III sense — but rather on what have come to be called the “prudential” principles of standing. These are judge-made principles illustrated by Warth v. Seldin, 422 U.S. 490, 509, 95 S.Ct.
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POSNER, Circuit Judge.
The question presented by this appeal is whether a taxpayer can ever have standing under Article III of the Constitution to litigate an alleged violation of the First Amendment’s establishment clause unless Congress has earmarked money for the program or activity that is challenged. The district judge thought not, and would have been correct in his thinking under an earlier view of Article Ill’s limitation of the federal judicial power to deciding “Cases” and “Controversies.” It was once thought that these terms (which “are, for all intents and purposes, synonymous,” Jones v. Griffith, 870 F.2d 1363, 1366 (7th Cir.1989)) limited federal jurisdiction to cases in which the plaintiff alleged the kind of injury that would have supported a lawsuit in the eighteenth century. In the words of Justice Frankfurter, “Both by what they said and by what they implied, the framers of the Judiciary Article gave merely the outlines of what were to them the familiar operations of the English judicial system and its manifestations on this side of the ocean before the Union. Judicial power could come into play only in matters that were the traditional concern of the courts at Westminster and only if they arose in ways that to the expert feel of lawyers constituted ‘Cases’ or ‘Controversies.’ ... Even as to the kinds of questions which were the staple of judicial business, it was not for courts to pass upon them as abstract, intellectual problems but only if a concrete, living contest between adversaries called for the arbitrament of law.” Coleman v. Miller, 307 U.S. 433, 460, 59 S.Ct. 972, 83 L.Ed. 1385 (1939) (concurring opinion).
In line with Justice Frankfurter’s thinking, Doremus v. Board of Education, 342 U.S. 429, 433-34, 72 S.Ct. 394, 96 L.Ed. 475 (1952), rejected taxpayer standing as inconsistent with Article III, cf. Frothingham v. Mellon, 262 U.S. 447, 488, 43 S.Ct. 597, 67 L.Ed. 1078 (1923), though a taxpayer could sue in state court to enforce his federal right if the state didn’t impose as rigorous a standing requirement as Article III does. See, e.g., Appleton v. Menasha, 142 Wis.2d 870, 419 N.W.2d 249, 252-53 (1988). The tangible harm to the taxpayer complaining of the expenditure was too attenuated to satisfy eighteenth-century notions of standing embodied in Article III. Indeed, the tangible harm would often be zero because if the complained-of expenditure was enjoined, the money would probably be used to defray some other public expense that would not benefit the taxpayer, rather than returned to him in the form of a lower tax rate.
Notions of standing have changed in ways to induce apoplexy in an eighteenth-century lawyer. For example, Department of Commerce v. U.S. House of Representatives, 525 U.S. 316, 331, 119 S.Ct. 765, 142 L.Ed.2d 797 (1999), upheld standing to challenge the use of statistical sampling for the decennial census; the mere “threat of vote dilution” as a result of the methodology was deemed sufficiently concrete, actual, and imminent to confer standing. Federal Election Commission v. Akins, 524 U.S. 11, 20-25, 118 S.Ct. 1777, 141 L.Ed.2d 10 (1998), upheld standing to sue for lists of donors to political action committees, on the ground “that the information would help [the committees] (and others to whom they would communicate it) to evaluate candidates for public office.” Bush v. Vera, 517 U.S. 952, 958, 116 S.Ct. 1941, 135 L.Ed.2d 248 (1996) (plurality opinion), upheld the standing of voters who lived in newly created majority-minority congressional districts to challenge them as racially gerrymandered on the ground that such districting denied them equal treatment. U.S. Term Limits, Inc. v. Thornton, 514 U.S. 779, 115 S.Ct. 1842, 131 [991]*991L.Ed.2d 881 (1995), assumed (without discussion) that there was taxpayer and voter standing to challenge a state constitutional amendment that provided that no candidate could be on the ballot who had already served either three terms in the House of Representatives or two terms in the Senate.
And with specific reference to the establishment clause, consider our decision in American Civil Liberties Union v. City of St. Charles, 794 F.2d 265, 267-69 (7th Cir. 1986), where we considered how much (or rather how little) injury is required to establish conventional (not even taxpayer) standing in an establishment-clause ease. We thought it enough that the plaintiffs, who objected to the prominent display of a cross on public property at Christmas time, had “been led to alter their behavior — to detour, at some inconvenience to themselves, around the streets they ordinarily use,” in order to avoid having to see the cross. Id. at 268. “The curtailment of their use of public rights of way” was injury enough to support their suit. Id. In reaching this conclusion we relied on Abington School District v. Schempp, 374 U.S. 203, 83 S.Ct. 1560, 10 L.Ed.2d 844 (1963), where the Supreme Court had held that schoolchildren and their parents had standing to complain that the reading of the Bible and the recitation of the Lord’s Prayer in the public school that the children attended violated the establishment clause. The specific injury to the plaintiffs could have been averted by the parents’ taking their children out of the public school and putting them in a secular private school (or by moving to another public school district), but those options did not deprive the plaintiffs of standing because it was an injury to them to take' their children out of the public school, just as it was an injury to the plaintiffs in the St. Charles case that they had to detour to avoid the direct effect on them of the alleged violation (in effect, to mitigate their damages). No such ground of standing is claimed here, however; it is taxpayer standing or nothing for these plaintiffs.
It was not long after Schempp that the Supreme Court decided Flast v. Cohen, 392 U.S. 83, 88 S.Ct. 1942, 20 L.Ed.2d 947 (1968), in favor of a taxpayer challenge in federal court to an alleged violation of the establishment clause. Congress had appropriated money for grants of financial assistance to private as well as public schools, and the plaintiffs complained that insofar as some of the grants had been made to parochial schools, the statute violated the establishment clause. The Court interpreted Frothingham and Doremus as having rested not on Article III — not on the notion that the injury that a taxpayer sustains if his taxes are used for a purpose offensive to him is too slight (in the Frankfurterian originalist conception) to sustain a case or controversy in the Article III sense — but rather on what have come to be called the “prudential” principles of standing. These are judge-made principles illustrated by Warth v. Seldin, 422 U.S. 490, 509, 95 S.Ct. 2197, 45 L.Ed.2d 343 (1975), that deny standing to someone who has been injured as a result of the defendant’s conduct (the core standing requirement of Article III) but who is not the “right” person to bring suit, maybe because someone has been injured more seriously and should be allowed to control the litigation.
An example of the prudential limitations on standing is the judge-made “indirect purchaser” doctrine of antitrust law that denies a right of action to a purchaser from a purchaser from a cartel. Illinois Brick Co. v. Illinois, 431 U.S. 720, 97 S.Ct. 2061, 52 L.Ed.2d 707 (1977). If as is highly likely a purchaser from the cartel (the “direct purchaser”) passes on a portion of the cartel overcharge to his customers (the “indirect purchasers” from the cartel), the [992]*992latter are injured and an award of damages would redress their injury. So there would be Article III standing. But to allow them to sue would greatly complicate litigation, first because the court would have to determine how much of the overcharge had been passed on, a difficult question of incidence analysis, and second because there would be tiers of plaintiffs complaining about the same violation of law.
But the prudential principles of standing, like other common law principles, are protean and mutable (the term “prudential” is the very antithesis of a definite rule or standard). The Court decided in Flast that they should not stand in the way of challenges to “exercises of congressional power under the taxing and spending clauses of Art. I, § 8, of the Constitution,” provided that the expenditure complained of is not just “an incidental expenditure of tax funds in the administration of an essentially regulatory statute” and that “the challenged enactment exceeds specific constitutional limitations imposed upon the exercise of the congressional taxing and spending power and not simply that the enactment is generally beyond the powers delegated to Congress by Art. I, § 8.” 392 U.S. at 102-03, 88 S.Ct. 1942. The Court found that this two-part test was satisfied by a challenge to the use of “the taxing and spending power ... to favor one religion over another or to support religion in general.” Id. at 103, 88 S.Ct. 1942.
The word “specific” in the passage we quoted from Flast turned out to be critical to the Court’s later reasoning. By forbidding Congress to establish a national church, the establishment clause places a specific limitation on congressional appropriations, since the essence of an establishment of religion is government financial support. Walz v. Tax Commission of City of New York, 397 U.S. 664, 668, 90 S.Ct. 1409, 25 L.Ed.2d 697 (1970) (“for the men who wrote the Religion Clauses of the First Amendment the ‘establishment’ of a religion connoted sponsorship, financial support, and active involvement of the sovereign in religious activity”); see also Engel v. Vitale, 370 U.S. 421, 430-31, 82 S.Ct. 1261, 8 L.Ed.2d 601 (1962). In Valley Forge Christian College v. Americans United for Separation of Church & State, Inc., 454 U.S. 464, 102 S.Ct. 752, 70 L.Ed.2d 700 (1982), we learn that a taxpayer has standing to complain only about the violation of a limitation on Congress’s power under Article I, section 8, of the Constitution to tax and (implicitly) to spend money to finance the exercise of the various powers granted to Congress by Article I. Taxpayers challenged the donation of a disused army hospital by a federal executive agency to a religious institution. The Court denied them standing because the transfer had not been made by Congress or pursuant to an exercise of Congress’s taxing and spending powers; it had been made (by the agency) pursuant to Congress’s power under Article IV, section 3, to dispose of U.S. property. Id. at 479-80, 102 S.Ct. 752.
To complete the edifice, Bowen v. Kendrick, 487 U.S. 589, 618-20, 108 S.Ct. 2562, 101 L.Ed.2d 520 (1988), held that taxpayers had standing to challenge grants by a federal agency to religious institutions pursuant to a statute that authorized grants to public and private institutions for services related to adolescents’ sexual problems, even though the grants had not been made by Congress itself. Kendrick was a replay of Flast, where the complaint had been not about the statute itself, which said nothing about religion (there was such a complaint in Kendrick but the part of the Court’s opinion dealing with that complaint does not relate to our case), but about the fact that in administering the statute the executive branch had made grants to reli[993]*993gious institutions. Consistent with Flast,. Kendrick reads Valley Forge as not requiring taxpayers to show that a statute violated the establishment clause; all they had to show was that a statute enacted pursuant to Congress’s taxing and spending powers under Article I, section 8 had been necessary for the violation to occur— it did not have to be sufficient. The violation was not completed until the executive branch acted, but the taxpayers still had standing to challenge it.
In Valley Forge the executive branch had simply given away surplus property, and while the property had probably been built or acquired with appropriated funds rather than donated to the government, the Court did not treat the transfer as an expenditure of appropriated funds. Similarly, in In re United States Catholic Conference, 885 F.2d 1020, 1027-28 (2d Cir. 1989), where standing to challenge the Internal Revenue Service’s grant of a tax exemption to the Catholic Church was denied, there was no expenditure of appropriated funds and no challenge to the exercise of Congress’s taxing and spending powers. Cf. Allen v. Wright, 468 U.S. 737, 104 S.Ct. 3315, 82 L.Ed.2d 556 (1984); Simon v. Eastern Kentucky Welfare Rights Org., 426 U.S. 26, 96 S.Ct. 1917, 48 L.Ed.2d 450 (1976); District of Columbia Common Cause v. District of Columbia, 858 F.2d 1, 3-4 (D.C.Cir.1988).
The present case, however, is governed by Kendrick. The taxpayers here are complaining about the use of money appropriated by Congress under Article I, section 8, to fund conferences that various executive-branch agencies hold to promote President Bush’s “Faith-Based and Community Initiatives.” This is a program that the President has created by a series of executive orders. One order established an Office of Faith-Based and Community Initiatives in the • White House. Others established Centers for Faith-Based and Community Initiatives in the various federal departments.
The stated goal of the conferences is to promote community organizations whether secular or religious, as explained in the conferences’ website (www.dtiassociates.com/FBCI/):
For years, faith-based and community groups have been assisting people in need. Unfortunately, the Federal government has often not been a willing partner to these groups in the provision of social services. President Bush has worked to change this. Since he took office, thousands of grassroots organizations have received training in the Federal grants process, and hundreds of these groups have successfully competed for Federal funds for the first time. The White House will host a new round of Conferences on Faith-Based and Community Initiatives to continue supporting the work of effective social service programs. The conferences will provide participants with information about the Federal funding process, available funding opportunities, and the requirements that come with the receipt of Federal funds. The conferences will also provide an opportunity to inform State and local officials about equal treatment regulations and other central elements of the Faith-Based and Community Initiative. The conferences will be supported by the Departments of Justice, Agriculture, Labor, Health and Human Services, Housing and Urban Development, Education, Commerce, and Veterans Affairs, the Small Business Administration, and the Agency for International Development.
The plaintiffs claim that in fact the conferences are designed to promote religious community organizations over secular ones.
[994]*994The complaint — all we have to go on at this stage — is wordy, vague, and in places frivolous, as where it insinuates that the President is violating the establishment clause by “tout[ing] the allegedly unique capacity of faith-based organizations to provide effective social services”— as if the President were not entitled to express his opinion about such organizations. But the complaint is not entirely frivolous, for it portrays the conferences organized by the various Centers as propaganda vehicles for religion, and should this be proved one could not dismiss the possibility that the defendants are violating the establishment clause, because it has been interpreted to require that the government be neutral between religion and irreligión as well as between sects. McCreary County v. American Civil Liberties Union of Kentucky, — U.S. -,---, 125 S.Ct. 2722, 2733-34, 162 L.Ed.2d 729 (2005); Board of Education of Kiryas Joel Village School District v. Grumet, 512 U.S. 687, 696, 114 S.Ct. 2481, 129 L.Ed.2d 546 (1994); Texas Monthly, Inc. v. Bullock, 489 U.S. 1, 14-17, 109 S.Ct. 890, 103 L.Ed.2d 1 (1989). Neutrality goes both ways; if the government merely wants to redress discrimination against religious providers of social services, it is not violating the establishment clause. Rosenberger v. Rector & Visitors of University of Virginia, 515 U.S. 819, 839, 115 S.Ct. 2510, 132 L.Ed.2d 700 (1995); Lynch v. Donnelly, 465 U.S. 668, 673, 104 S.Ct. 1355, 79 L.Ed.2d 604 (1984); Linnemeir v. Board of Trustees of Purdue University, 260 F.3d 757, 765 (7th Cir.2001). But these are the issues on the merits; the only question before us is the plaintiffs’ standing to litigate the merits.
At argument the plaintiffs’ counsel was unable to identify the appropriations that fund the conferences. The complaint does, however, allege that the conferences are funded by money derived from appropriations, which means from exercises of Congress’s spending power rather than from, say, voluntary donations by private citizens. There is no suggestion that these are appropriations earmarked for these conferences, or for any other activities of the various Faith-Based and Community Initiatives programs, or for a statute pursuant to which the programs were created. The money must come from appropriations for the general administrative expenses, over which the President and other executive branch officials have a degree of discretionary power, of the departments that sponsor the conferences. Consolidated Appropriations Act, 2005, Pub.L. No. 108-447, 118 Stat. 2809, 2853, 3115-16, 3136, 3150, 3311-12; Department of Homeland Security Appropriations Act, 2005, Pub.L. No. 108-334,118 Stat. 1298-99.
The difference, then, between this case on the one hand and Flast and Kendrick on the other is that the expenditures in those cases were pursuant to specific congressional grant programs, while in this case there is no statutory program, just the general “program” of appropriating some money to executive-branch departments without strings attached. The difference cannot be controlling. Suppose the Secretary of Homeland Security, who has unearmarked funds in his budget, decided to build a mosque and pay an Imam a salary to preach in it because the Secretary believed that federal financial assistance to Islam would reduce the likelihood of Islamist terrorism in the United States. No doubt so elaborate, so public, a subvention of religion would give rise to standing to sue on other grounds, just as in the St. Charles cross case; taxpayer standing in the hypothetical mosque case would not be essential to enabling a suit to be brought in federal court to challenge the violation of the establishment clause. But it would be too much of a paradox to recognize taxpayer standing only in cases in which the violation of the establishment clause [995]*995was so slight or furtive that no other basis of standing could be found, and to deny it in the more serious cases.
At the other extreme, the fact that almost all executive branch activity is funded by appropriations does not confer standing to challenge violations of the establishment clause that do not involve expenditures. Imagine a suit complaining that the President was violating the clause by including favorable references to religion in his State of the Union address. The objection to his action would not be to any expenditure of funds for a religious purpose; and though an accountant could doubtless estimate the cost to the government of the preparations, security arrangements, etc., involved in a State of the Union address, that cost would be no greater merely because the President had mentioned Moses rather than John Stuart Mill. In other words, the marginal or incremental cost to the taxpaying public of the alleged violation of the establishment clause would be zero. But in the hypothetical case of the mosque, and in the real though much less dramatic case before us, the objection is to a program for which money undoubtedly is “appropriated,” albeit by executive officials from discretionary funds handed them by Congress, rather than by Congress directly.
The government asks us to shift the line so that it runs not between the Presidential (or other official) speech and a Presidential initiative (the conferences), but between the speech and the initiative, on the one hand, and grants made pursuant to the initiative, on the other hand. The conferences are concerned in part with instructing the attendants on how to apply for government grants for their religious organizations; but the challenge that is before us is not to the grants but to the conferences. The line proposed by the government (no standing to challenge the conferences, standing to challenge the grants) would be artificial because there is so much that executive officials could do to promote religion in ways forbidden by the establishment clause (which despite its wording- applies' to executive as well as congressional action, American Civil Liberties Union of Illinois v. City of St. Charles, supra, 794 F.2d at 270) without making outright grants to religious organizations. For the government to operate a mosque or other place of worship would not involve a grant unless a contractor was involved.
We are mindful that the Court in Flast carved an exception for “an incidental expenditure of tax funds in the administration of an essentially regulatory statute.” Flast v. Cohen, supra, 392 U.S. at 102, 88 S.Ct. 1942. We may put to one side “regulatory” and focus on “incidental.” That is a relative term. Whether an expenditure is incidental depends on what it is deemed incidental to. Every government expenditure could be thought incidental to the great goal of the public welfare, a pursuit that costs the federal government some $2 trillion a year, to which the cost of a mosque would certainly be incidental. The Department of Homeland Security alone has a budget of more than $30 billion, compared to which the funds required for the construction of a mosque would be small — and therefore “incidental”? The religiously oriented programs challenged in Kendrick were incidental to the goal of solving problems of adolescent sexuality, but this did not negate taxpayer standing. If the conferences at issue in this case are, as the plaintiffs charge, intended to promote religion, the fact that their cost is slight relative to the budgets of the various departments that sponsor them does not make that cost incidental. Otherwise, indeed, there would be no federal taxpayer standing in any case.
The word “incidental” in Flast should be reserved for such cases as that of the [996]*996government’s expenditure on an armored limousine to transport the President to the Capitol to deliver the State of the Union address in which he speaks favorably of religion. Or to the government’s expenditure on processing the Catholic Church’s application in In re United States Catholic Conference, supra, for a tax exemption. So while it is true that the executive branch would quickly grind to a halt without general budget appropriations from Congress, our analysis, tracking Kendrick, would not permit an individual citizen to challenge just any action of the executive with which he disagrees as a violation of the establishment clause.
The hypothetical case of standing to challenge a Presidential speech extolling religion turns out not to be entirely hypothetical. One of the defendants in this case is a former Secretary of Education, Rod Paige, whom the plaintiffs accuse not of sponsoring or administering conferences under the President’s Faith-Based and Community Initiatives program but of having given a speech at one of them in which he said that “President Bush does this because he knows first-hand the power of faith to change lives — from the inside out. And the reason he knows this is because faith changed his life.” The district judge was right to rule that the plaintiffs had no standing to sue Paige because of that remark, just as he was right to rule, in a part of the case not before us, that the plaintiffs do have standing to challenge actual grants made to faith-based organizations pursuant to the President’s initiative. (The judge went on to dispose of that phase of the case on summary judgment, but the appeal does not challenge his disposition.)
We must consider finally the bearing of a line of cases, illustrated by United States v. Richardson, 418 U.S. 166, 94 S.Ct. 2940, 41 L.Ed.2d 678 (1974); Schlesinger v. Reservists Committee to Stop the War, 418 U.S. 208, 94 S.Ct. 2925, 41 L.Ed.2d 706 (1974), and Public Citizen, Inc. v. Simon, 539 F.2d 211, 217-19 (D.C.Cir.1976), in which taxpayer standing to enforce provisions of the Constitution other than the establishment clause was rejected. The Public Citizen suit complained that federal employees were, illegally assisting in President Nixon’s reelection campaign. The court rejected “taxpayer standing to attack any executive action that draws on an outstanding appropriation on the ground that the purchases or services are not in accord with the congressional intent in passing the appropriation. This would place the judiciary in the role of management overseer of the Executive Branch. Such oversight is a function of Congress .... When what is involved is expenditures in implementation of a regulatory statute, or mere executive activity that entails some expenditures, there is no ... arrow aimed at taxpayers as a class, but an activity of concern to the public at large.” Federal employees employed in programs of unquestioned constitutionality cannot be sued by taxpayers simply because they divert some of their work time to improper purposes — just as the President could not be sued for a speech extolling religion even in the unlikely event that the speech violated the establishment clause.
So if the plaintiffs acknowledged the underlying constitutionality of the Faith-Based and Community Initiatives program, the fact that government employees involved in the program sometimes wandered out of the neutral zone would not confer standing to sue. But since the program itself is challenged as unconstitutional, the fact that it was funded out of general rather than earmarked appropriations — that it was an executive rather than a congressional program — does not deprive taxpayers of standing to challenge it. Taxpayers have standing to challenge an executive-branch program, alleged to [997]*997promote religion, that is financed by a congressional appropriation, even if the program was created entirely within the executive branch, as by Presidential executive order. We therefore vacate the judgment and remand the case for a determination of the merits of those claims that we have determined the plaintiffs have standing to litigate.
Vacated And Remanded, With Directions.