Comedian Neal Brennan, our guest host, will be filling in for Leonard today.
Trevor Noah, host of The Daily Show, stops by to talk politics and the presidential election. Director Kim Snyder and David Wheeler discuss the documentary, "Newtown." Jonathan Safran Foer talks about Here I Am, his first novel in 11 years. Today's is all about the the science and psychology of creepiness with David Livingstone Smith.