92NY on MS NOW: 'The mega-agent of our time': Rachel Maddow talks with Ari Emanuel

MS NOW has teamed up with the 92nd Street Y to bring viewers unforgettable conversations with influential voices from politics, culture and entertainment. In this edition of Nicolle Wallace presents: The 92NY on MS NOW, Rachel Maddow interviews Hollywood agent and dealmaker Ari Emanuel about his new book, "Roll the Calls," his life and career, his bizarre health routine that involves eating live worms, and his relationship with Donald Trump.