Headlines 03-13-2008

• U.S.-led forces reportedly kill 4 in Pakistan (AP)
• Britons hit by new 'sin taxes' (AP)
• Spitzer's replacement preps for takeover (AP)
• Michigan, campaigns talk do-over primary (AP)
• Obama, Clinton to debate in Philadelphia (AP)
• Are Iraqi insurgents emboldened by anti-war reporting? (U.S. News)