On today’s show: Michael Moran of the Council on Foreign Relations takes a look at the challenges that are aligning to challenge U.S. leadership and influence around the world. Loung Ung describes her experience as a child during the murderous reign of the Khmer Rouge. A History of the World in 100 Objects takes a look at one of Albrecht Dürer’s prints of a rhinoceros. Actor and writer Michael Tucker talks about his debut novel, After Annie. Plus, journalist Ben Anderson gives an inside look at the war in Afghanistan and the violence in Helmand province.