Trump goes into FREE FALL ahead of Election Day

Donald Trump's bizarre 38 minute music session is reigniting questions about his mental acuity and fitness for office. It’s the latest in a string of odd campaign moments from Trump down the stretch. MSNBC’s Brian Tyler Cohen brings you those moments, his analysis and the possible impact on the election. For more of Brian’s collab with MSNBC click here http://msnbc.com/btc