Lucy Steigerwald discusses U.S. nuclear policy. Stephen Kinzer discusses the danger of American primacy. Khaled Diab discusses Israel’s war on peaceful activism. Uri Avnery discusses Abbas and Israel-Palestine. Nadia Naser-Najjab discusses Shimon Peres. Radley Balko discusses police brutality. Karen J. Greenberg discusses what actually keeps us safe. Ivan Eland discusses how the first debate shows…