Overview: 2011/03/11 Headlines: 8.9 Earthquake Triggers Devastating Tsunami in Japan; Walker to Sign Anti-Union Bill Following Assembly Passage; Thousands Rally Against Anti-Union Effort in Indiana; Dozens Protest Emergency Management Bill in Detroit; Gaddafi Forces Seize Momentum in Ongoing Clashes; Gates: NATO Planning for "All Military Options" in Libya; U.S. to Send Aid Team to Libya, Meet Opposition Leaders; Clinton to Visit Tunisia, Egypt; 2 Journalists Missing in Libya Following Arrests; Saudi Police Fire on Peaceful Demonstration; Yemenis Stage Massive Anti-Gov't Protest; Relative of Afghan President Killed in U.S. Raid; Rep. King Opens Hearings on Muslim "Radicalization" in U.S.; House Panel Votes to Bar EPA from Regulating Greenhouse Gas Emissions; Killing of U.S. Journalist Among Cases Reopened in Mexico