Harry Reid & John Boehner in Las Vegas, Plus Steve Kornacki runs through Biden by the numbers, and the real cost of impeachment

Former Senate Majority Leader Harry Reid and former Speaker of the House John Boehner sit down with Chuck to talk about their time in Washington, President Trump's challenges and whether Democrats should pursue impeachment hearings. Plus, Steve Kornacki breaks down the numbers for former Vice President Joe Biden and looks back at the real costs of impeachment in the 1990s.