Cite as: 558 U. S. ____ (2010) 9 ROBERTS, C. J., concurring tion of the idea that “speech that otherwise would be within the protection of the First Amendment loses that protection simply because its source is a corporation.” 435 U. S., at 784. The dissent correctly points out that Bellotti involved a referendum rather than a candidate election, and that Bellotti itself noted this factual distinction, id., at 788, n. 26; post, at 52. But this distinction does not ex plain why corporations may be subject to prohibitions on speech in candidate elections when individuals may not. Second, the validity of Austin’s rationale—itself adopted over two “spirited dissents,” Payne, 501 U. S., at 829—has proved to be the consistent subject of dispute among Mem bers of this Court ever since. See, e.g., WRTL, 551 U. S., at 483 (SCALIA, J., joined by KENNEDY and THOMAS, JJ., concurring in part and concurring in judgment); McCon­ nell, 540 U. S., at 247, 264, 286 (opinions of SCALIA, THOMAS, and KENNEDY, JJ.); Beaumont, 539 U. S., at 163, 164 (opinions of KENNEDY and THOMAS, JJ.). The simple fact that one of our decisions remains controversial is, of course, insufficient to justify overruling it. But it does undermine the precedent’s ability to contribute to the stable and orderly development of the law. In such cir cumstances, it is entirely appropriate for the Court— which in this case is squarely asked to reconsider Austin’s validity for the first time—to address the matter with a greater willingness to consider new approaches capable of restoring our doctrine to sounder footing. Third, the Austin decision is uniquely destabilizing because it threatens to subvert our Court’s decisions even outside the particular context of corporate express advo cacy. The First Amendment theory underlying Austin’s holding is extraordinarily broad. Austin’s logic would authorize government prohibition of political speech by a category of speakers in the name of equality—a point that most scholars acknowledge (and many celebrate), but that the dissent denies. Compare, e.g., Garrett, New Voices in

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