North Korea; Brantley; Abramovic

Former U.S. ambassador to South Korea Christopher Hill and journalist Mark Landler examine the young North Korean leader Kim Jong-un's threats against South Korea and the U.N. Chief drama critic for The New York Times Ben Brantley reviews Nora Ephron's Broadway play, "Lucky Guy," starring Tom Hanks as journalist Mike McAlary. A conversation with performance artist Marina Abramovic about her work, her family's influence on her, and the idea that art has no gender.