6 SHELBY COUNTY v. HOLDER GINSBURG, J., dissenting of VRA-occasioned increases in black voting. Whatever the device employed, this Court has long recognized that vote dilution, when adopted with a discriminatory pur­ pose, cuts down the right to vote as certainly as denial of access to the ballot. Shaw, 509 U. S., at 640–641; Allen v. State Bd. of Elections, 393 U. S. 544, 569 (1969); Reynolds v. Sims, 377 U. S. 533, 555 (1964). See also H. R. Rep. No. 109–478, p. 6 (2006) (although “[d]iscrimination today is more subtle than the visible methods used in 1965,” “the effect and results are the same, namely a diminishing of the minority community’s ability to fully participate in the electoral process and to elect their preferred candidates”). In response to evidence of these substituted barriers, Congress reauthorized the VRA for five years in 1970, for seven years in 1975, and for 25 years in 1982. Ante, at 4–5. Each time, this Court upheld the reauthorization as a valid exercise of congressional power. Ante, at 5. As the 1982 reauthorization approached its 2007 expiration date, Congress again considered whether the VRA’s preclear­ ance mechanism remained an appropriate response to the problem of voting discrimination in covered jurisdictions. Congress did not take this task lightly. Quite the oppo­ site. The 109th Congress that took responsibility for the renewal started early and conscientiously. In October 2005, the House began extensive hearings, which contin­ ued into November and resumed in March 2006. S. Rep. No. 109–295, p. 2 (2006). In April 2006, the Senate fol­ lowed suit, with hearings of its own. Ibid. In May 2006, the bills that became the VRA’s reauthorization were introduced in both Houses. Ibid. The House held further hearings of considerable length, as did the Senate, which continued to hold hearings into June and July. H. R. Rep. 109–478, at 5; S. Rep. 109–295, at 3–4. In mid-July, the House considered and rejected four amendments, then passed the reauthorization by a vote of 390 yeas to 33 nays. 152 Cong. Rec. H5207 (July 13, 2006); Persily, The

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