>> it was a shameful echo of the jim crow south. >> one of the most troubling measures. >> one troubling measure was in north carolina. >> thank you, thannorth carolin! >> after obama flipped the state in '08. republican state legislatures gathered meticulous data to see how black people voted, which id they used to vote. >> ladies, ladies. we are here to take your early voting and which days they went to the poll. >> this is the day that we vote for obama, including sunday after church. then they wrote a new election law that would have made jim crow proud. >> this 57 page of obama nation, restricting the very ways that black voters cast their ballots.