he's been around for a long time. but what he does understand is that donald trump understands message. as much as he captures all this fear and taps into that, he talks about making america great again. he's going to be willing to upset the apple cart in order to do that. there aren't other republicans who seem ready to do that. you know who might be? joe biden, if he got in the race, he could upset the apple cart. voters are looking for people like bernie sanders who are going to be pushing the envelope and try to make this a more interesting context. >> brian grim and jamal simmons, thank you for your time tonight. >> thanks, reverend. >> still ahead, dramatic rescue. a deputy saves a man from an oncoming train just moments before impact. but first, the fight ahead as we mark the 50th anniversary of the voting rights act. i'll talk to martin luther king iii next. ♪