Overview: 2011/04/15 Headlines: Congress Approves Budget Deal; CBO Cites Lower Savings; U.S., Allies Vow Libya Campaign Until Gaddafi's Ouster; Italian Peace Activist Slain in Gaza; Gaza Inquiry Panelists Challenge Chair's Recantation; Victims' Relatives Demand Extradition of Cuban Militant; Activists Denied Entry at BP Shareholders Meeting; Mass Graves Found in Iraq; Challenge to Wisconsin Anti-Union Law Dismissed; Walker Admits No Fiscal Benefit to Anti-Union Provision; Indian Activist Binayak Sen Ordered Freed on Bail