a federal court rote that republicans targeted african-americans with almost surgical precision. >> this is as close to a smoke gun as we'll ever seen. >> by 2016 elections, there were more smoking guns. >> that was the first presidential election in 50 years when black voters faced the full assault on their voting rights. the full implementation of voter right id laws. almost 1200 polling places closed, millions upon millions removed from the voter roles. >> a voter id law in wisconsin