Chris Hayes: 'Vote to preserve your right to throw the bums out'

Guests: Ron Klain, Marc Elias, Joyce Vance, Michelle Goldberg, Mehdi Hassan What happens if the new bums will never let you vote them out. Tonight: White House chief of Staff Ron Klain on defending democracy. Plus, election attorney Marc Elias on where the warning signs are flashing brightest. And the former president's appeal to Republicans to support democracy. And today's big movement in the Mar-a-Lago case where a key figure is now compelled to share what he knows about stolen documents.