The Rachel Maddow Show 07/20/15

Donald Trump 'wholly unqualified to sit in the White House':...

Steve Kornacki reports on a newly published editorial from the Des Moines Register in which the paper calls for Donald Trump to end his campaign, calling him "wholly unqualified to sit in the White House." Republican strategist Liz Mair offers her analysis. ... more Duration: {{video.duration.momentjs}}