Overview: 2012/08/21 Headlines: Todd Akin Vows to Remain in Senate Race Despite Firestorm from "Legitimate Rape" Comment; Romney Accuses Obama of False Claims on GOP Tax Plan; Obama Defends Call for Romney to Release Tax Returns; Correa: U.K. Raid to Grab Assange Would Be "Diplomatic Suicide"; Ecuadoreans Show Support After Gov’t Grants Asylum to Julian Assange; U.S. Denies Role in Assange Extradition Case; Obama Threatens Military Action if Syria Uses Chemical Weapons; Japanese Reporter Killed in Syria; Ethiopian Prime Minister, U.S. Ally Meles Zenawi Dies at 57; Venezuela: At Least 20 Dead in Prison Gunfight; Court Rejects Parts of Immigration Laws in Georgia, Alabama; U.S. Soldier Demoted, Sentenced to 3 Months for Hazing Death of Pvt. Danny Chen; GOP Congressmember Apologizes for Nude Swim in Israel; Report: Longtime Civil Rights Activist Richard Aoki Was FBI Informant;$