HBO's Last Week Tonight host John Oliver and MSNBC's Ali Velshi talk about the importance of humor in turbulent political times and the work Oliver and his team do behind the scenes of his multi-award-winning talk show. On his show, Oliver covers news, politics, and current events. He has won two Peabody Awards and is accredited with the “John Oliver Effect,” a title given to the actions and attention his show brings in the political world.