14 SHELBY COUNTY v. HOLDER GINSBURG, J., dissenting indication of how many discriminatory proposals are deterred without need for formal objection. Congress received evidence that more than 800 proposed changes were altered or withdrawn since the last reauthorization in 1982. H. R. Rep. No. 109–478, at 40–41.4 Congress also received empirical studies finding that DOJ’s requests for more information had a significant effect on the degree to which covered jurisdictions “compl[ied] with their obliga­ tio[n]” to protect minority voting rights. 2 Evidence of Continued Need 2555. Congress also received evidence that litigation under §2 of the VRA was an inadequate substitute for preclearance in the covered jurisdictions. Litigation occurs only after the fact, when the illegal voting scheme has already been put in place and individuals have been elected pursuant to it, thereby gaining the advantages of incumbency. 1 Evi­ dence of Continued Need 97. An illegal scheme might be in place for several election cycles before a §2 plaintiff can gather sufficient evidence to challenge it. 1 Voting Rights Act: Section 5 of the Act—History, Scope, and Purpose: Hearing before the Subcommittee on the Constitution of the House Committee on the Judiciary, 109th Cong., 1st Sess., p. 92 (2005) (hereinafter Section 5 Hearing). And litigation places a heavy financial burden on minority voters. See id., at 84. Congress also received evidence —————— 4 This number includes only changes actually proposed. Congress also received evidence that many covered jurisdictions engaged in an “informal consultation process” with DOJ before formally submitting a proposal, so that the deterrent effect of preclearance was far broader than the formal submissions alone suggest. The Continuing Need for Section 5 Pre-Clearance: Hearing before the Senate Committee on the Judiciary, 109th Cong., 2d Sess., pp. 53–54 (2006). All agree that an unsupported assertion about “deterrence” would not be sufficient to justify keeping a remedy in place in perpetuity. See ante, at 17. But it was certainly reasonable for Congress to consider the testimony of witnesses who had worked with officials in covered jurisdictions and observed a real-world deterrent effect.

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