National Republican Senatorial Committee v. Federal Election Comm’n · ¶78

To sum up: In light of the other meaningful prophylactic measures available to the Government, and given the severe infringement on First Amendment-protected political speech that ensues from limiting a political party’s spending in support of its candidates, we conclude that the political-party coordinated-expenditure limits are “disproportionate” and are not “necessary” and “narrowly tailored” for the circumvention interest it seeks to protect. McCutcheon, 572 U. S., at 199, 218, 220 (quotation marks omitted); Cruz, 596 U. S., at 306.

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