Was the Supreme Court ruling a setback for voting rights?

Aired: 4/21/2014 | 0:10:09 | Clip
In the months since the Supreme Court struck down a key portion of the Voting Rights Act, five states have tightened access to voting. The ruling has sparked nationwide debate, and the Obama administration is pushing back with an investigation. Gwen Ifill gets views from Kareem Crayton of University of North Carolina School of Law and David Lewis, a North Carolina state representative.