Overview: 2013/03/04 Headlines: Obama Floats Entitlement Cuts After Sequester Kicks In; Military Prosecutors Seek Maximum Sentence for Bradley Manning; Environmentalists Decry State Dept. Environmental Review of Keystone XL; U.S. Apologizes for Strike That Killed 2 Children in Afghanistan; 45 Killed in Pakistan Bombing; Kerry Unveils $250 Million in U.S. Aid for Egypt; U.S. Sailors Sentenced for Rape in Japan; Landmark Treatment Cures Baby of HIV; Michigan Gov. to Appoint Emergency Manager to Replace Detroit City Council; Florida Farmworkers Launch March for Humane Conditions; Thousands Commemorate "Bloody Sunday" in Selma, Alabama