Overview: 2012/04/11 Headlines: Indian Ocean on Tsunami Alert After Indonesia Earthquake; Santorum Drops Bid for GOP Nomination; Obama Touts "Buffett" Tax on Wealthiest Americans; Syria: Violence Continues Ahead of Ceasefire Deadline; Syrian Refugees Flood Turkey; Official Warns of Impact on Iraq; North Korea Draws Warnings for Rocket Launch; 1.5 Million Children Face Starvation in West Africa; Lawsuit Challenges Nevada Same-Sex Marriage Ban; Defense Lawyer Drops Trayvon Martin Shooter George Zimmerman; Michigan Teacher Fired for Trayvon Martin Fundraiser; McDonald’s, Gates Foundation Cut Ties to Right-wing ALEC; Arizona Prosecutor, Arpaio Ally Disbarred for Politically Motivated Cases; Tucson Mexican American Studies Program Head Fired; MLB Team Suspends Manager for Castro Comments;$