Plot: 2013/02/27 Headlines: Senate Confirms Chuck Hagel After GOP Ends Filibuster; Obama, Boehner Spar as Sequestration Cuts Loom; Budget Fears Prompt Release of Hundreds of Undocumented Immigrants; Supreme Court Rejects Challenge to Sweeping Surveillance Law; Obama Admin Continues to Withhold Drone Memos from Congress; Afghans Protest U. S