Haley, Trump make final push to win over South Carolina voters

Guests: Maya King, Margie Omero, Cornell Belcher, Alexander Vindman, Saul Anuzis, Lisa Rubin, Katie Phang, Donna Edwards, David Jolly Tonight: the state of the race ahead of the South Carolina primary. Plus, how critics of Trump are already preparing for the threat of retribution. Then, an in-depth look at the debacle unfolding across the country in state Republican Parties. And how the world record holder in fork-bending and straitjacket escapes ended up making a fake Biden robocall with artificial intelligence.