Can we have a sunset?

George Will questions the continuation of the Voting Rights Act of 1965, based on the statistics of 2013.
Today Mississippi has more black elected officials — not more per capita, more — than any other state. Yet defenders of the continuing necessity of Section 5 merely shrug about the fact that race is no longer a barrier to either the nation’s highest office or to state and local offices in what once was the state most emblematic of resistance to racial equality.
Times change. The federal government doesn't have to make local governments ask "mother, may I?" for events a half-century ago.