Federal Court Says Texas Voter ID Violates Voting Rights Act
Law has "discriminatory" effect on minorities.
Supreme Court Rejects Challenge to Wisconsin Voter ID Law
The voter ID will go into effect after the April 7 election.
Courts Block Voter ID Laws in Texas, Wisconsin
Republican-backed voter ID laws get twin blows.
Study: Voter ID Laws Cut Turnout by Blacks, Young
The study used Kansas and Tennessee as test cases.
Holder Vows to Defend Voting Rights Until His Last Day in Office
Attorney general steadfast in defense of voting rights.
Fate of Texas' Tough Voter ID Law in Judge's Hands
Justice Department says law disenfranchises minority voters.