Lisa Miller, New York magazine contributing editor, and novelist Colum McCann, co-founder of Narrative 4, discuss 16 strangers who are trying to help people on both sides of the gun issue find common ground. Lior Lev Sercarz guides us into the exotic world of 102 spices with his book "The Spice Companion." Dev Patel describes his latest role in the new film, “Lion,” also starring Nicole Kidman and Rooney Mara.