Senate Democrats at odds over health care bill   Holidays will again test NYC air travel bottleneck   Mammogram guidelines spark debate over health bill   Egypt's media stoked soccer fan anger with Algeria   Arrest in 1981 tribal murders revives old mystery   CORRECTED: "Black Friday" deals may not signal retail comeback   Israel's Peres reports 'progress' in talks to free Shalit   Ole Miss, Cal, UNC back in AP Top 25   NY Times to Goldman Sachs: Pay up to cut public debt   Astronaut's baby daughter born as he circles Earth   Antarctic ice loss vaster, faster than thought: study   NRC investigating radiation at Three Mile Island   Warming's impacts sped up, worsened since Kyoto   Warming's impacts sped up, worsened since Kyoto   Denmark: 65 world leaders for UN climate summit   RI bishop asked Kennedy in 2007 to avoid Communion   Iran begins war games to protect nuclear sites   Jackson, Swift face off at American Music Awards   Senate moderates frustrate other Democrats on bill   Ole Miss, Cal, UNC back in AP Top 25