Cite as: 558 U. S. ____ (2010) 7 Opinion of STEVENS, J. This is not merely a technical defect in the Court’s decision. The unnecessary resort to a facial inquiry “run[s] contrary to the fundamental principle of judicial restraint that courts should neither anticipate a question of constitutional law in advance of the necessity of decid­ ing it nor formulate a rule of constitutional law broader than is required by the precise facts to which it is to be applied.” Washington State Grange, 552 U. S., at 450 (internal quotation marks omitted). Scanting that princi­ ple “threaten[s] to short circuit the democratic process by preventing laws embodying the will of the people from being implemented in a manner consistent with the Con­ stitution.” Id., at 451. These concerns are heightened when judges overrule settled doctrine upon which the legislature has relied. The Court operates with a sledge hammer rather than a scalpel when it strikes down one of Congress’ most significant efforts to regulate the role that corporations and unions play in electoral politics. It com­ pounds the offense by implicitly striking down a great many state laws as well. The problem goes still deeper, for the Court does all of this on the basis of pure speculation. Had Citizens United maintained a facial challenge, and thus argued that there are virtually no circumstances in which BCRA §203 can be applied constitutionally, the parties could have developed, through the normal process of litigation, a record about the actual effects of §203, its actual burdens and its actual benefits, on all manner of corporations and unions.4 —————— 4 Shortly before Citizens United mooted the issue by abandoning its facial challenge, the Government advised the District Court that it “require[d] time to develop a factual record regarding [the] facial challenge.” 1:07–cv–2240–RCL–RWR, Docket Entry No. 47, p. 4 (Mar. 26, 2008). By reinstating a claim that Citizens United abandoned, the Court gives it a perverse litigating advantage over its adversary, which was deprived of the opportunity to gather and present information necessary to its rebuttal.

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