2014/08/07 Headlines: Ceasefire in Gaza Enters Final 24 Hours; U.N. Chief: Gaza Toll Has "Shocked and Shamed the World"; Obama: Gaza Blockade Cannot Continue Indefinitely; Report: Israeli Forces Deliberately Targeted Medics in Gaza; Iraqi Christians Face Crisis as IS Advances; 40,000 Yazidis Trapped on Mountain; Ebola Toll Tops 930; Liberians Plead for Drug Given to U.S. Missionaries; U.S. Drone Strike Kills at Least 5 in Pakistan; Russia Imposes Sanctions on U.S., European Agricultural Goods; Snowden Allowed to Remain in Russia for 3 More Years; Cambodia: 2 Khmer Rouge Leaders Sentenced to Life in Prison; Mexico: Congress OKs Reforms Opening Oil, Gas Sector to Foreign Firms; Bank of America to Pay Record $17 Billion for Toxic Mortgages; Missouri Executes 1st Prisoner Since Botched Killing in Arizona; NYPD Arrests Wife of Man Who Filmed Fatal Arrest of Eric Garner