Amid US concerns over Israel's growing isolation from its Mideast neighbors, Defense Secretary Leon Panetta has an urgent message for the country's leaders: Re-engage in the peace process.

The campaign memo, released Monday, said that Rick Perry, Mitt Romney, and the rest of the Republican field have ‘embraced policies that the American people oppose.’

Amanda Knox, an American exchange student sentenced by an Italian court to 26 years for the murder of Meredith Kercher, was acquitted Monday. Serious doubts had emerged over the evidence used to convict her.

AP - Amanda Knox left prison Monday, a free woman for the first time in four years, after an Italian appeals court threw out the young American's murder conviction in the sexual assault and stabbing death of her British roommate.

AP - Protests against Wall Street spread across the country Monday as demonstrators marched on Federal Reserve banks and camped out in parks from Los Angeles to Portland, Maine, in a show of anger over the wobbly economy and what they see as corporate greed.

AP - Ralph Steinman, a pioneer in understanding how cells fight disease, tried to help his own immune system thwart his pancreatic cancer.