2011/04/07 Headlines: NATO Widens Air Assault; Rebels Advance on Brega; U.S. Dismisses Gaddafi Letter to Obama; Hundreds Feared Dead After Boat Carrying Migrants Capsizes; Japan Could Widen Evacuation Zone; Reports: Gbagbo Forces Number Less than 1,000; Leaked Docs Show U.S. Regulators Doubt Nuclear Safety; Dems, GOP Claim Progress in Budget Talks; Wisconsin Judicial Challenger Claims Victory; Hundreds of Thousands Protest in Yemen; Afghan Official Says Talks Underway with Taliban; Gates Meets Saudi King Abdullah; Mexicans Protest Drug Violence Nationwide; Mass Graves Found; Israel Bombs Northern Gaza, Wounds Civilians; U.S. Resumes Deportations to Haiti