“The Danger of a Failed Iran Deal”: Could GOP Rejection of Nuke Pact Lead to War?; As Jimmy Carter Discusses Cancer Diagnosis, Former Aide Praises Him as Honest, Noble Man; Islamic Leaders Take on Climate Change, Criticizing “Relentless Pursuit of Economic Growth”; The Beat Up Squad: NY Prison Guards Accused of Brutally Killing Prisoner & Covering Up Death; After NY Prison Escape, Other Inmates Faced Beatings, Solitary Confinement, Threats of Waterboarding.