National Republican Senatorial Committee v. Federal Election Comm’n · ¶75

The base limits on contributions to candidates serve as an initial prophylaxis against quid pro quo corruption or its appearance in this context—after all, most contributions to candidates are not given in exchange for some official action. Id., at 221. The earmarking rules constitute a second prophylaxis. The disclosure requirements supply a third prophylaxis. So prophylaxis upon prophylaxis upon prophylaxis already serve to prevent quid pro quo corruption or its appearance.

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