Discussion on Donald Trump's actions regarding Ukraine and impeachment

Steve Kornacki joins Kristen Welker to highlight numbers from the latest NBC News national poll. In an exclusive interview, GOP presidential candidate Chris Christie (R-N.J.) reacts to the poll, which shows him trailing former President Trump by over 50 points among Republican primary voters. Rep. James Clyburn (D-S.C.) exclusively joins Meet the Press to discuss voters’ concerns about President Biden. Secretary of Transportation Pete Buttigieg addresses the looming government shutdown and Biden’s handling of the UAW strike.