First Republican Debate Reaction: Who Won? + Donald Trump's Crazy Tucker Carlson Interview

Vivek Ramaswamy dominated, Ron DeSantis dodged, Chris Christie attacked the wrong guy-and Donald Trump and Tucker Carlson talked about Jeffrey Epstein. Tommy Vietor and Dan Pfeiffer recap the lowest lows of the first Republican debate, and Republican strategist Sarah Longwell joins to explain whether any of this matters to real-life voters.