Overview: 2011/06/16 Headlines: Lawmakers Sue Obama Admin for Libya Attack; 2 Iraqi Civilians Killed in U.S. Helicopter Attack; Zawahiri Named New Al-Qaeda Chief; Manning Friend Refuses to Testify Before WikiLeaks Grand Jury; Former CIA Officer: Bush Admin Tried to Smear Prominent Academic, War Critic; Wisconsin Unions File Suit over Anti-Collective Bargaining Law; Pakistan Denies Arrest of Top Army Major for Tipping Off CIA; 15 Killed in U.S. Drone Strike in Pakistan; Al-Qaeda Militants Attack Yemen Towns; U.N. Human Rights Chief Calls for Syria Probe; Rep. King Holds Hearing on Muslim "Radicalization" in U.S. Prisons; U.N. Warns of "Huge Suffering" in South Sudan Fighting; Rep. Giffords Released from Houston Hospital; Hacker Group Targets CIA Website