Congressman Steve Cohen of Tennessee joins MSNBC’s Ari Melber to discuss aviation safety and reflect on his appearance and portrayal in Nathan Fielder’s “The Rehearsal.” (Subscribe to Ari’s YouTube now: http://youtube.com/arimelber) For more context and news coverage of the most important stories of our day click here: https://www.msnbc.com/ » Subscribe to MSNBC: https://www.youtube.com/msnbc » Subscribe…