senate intelligence and armed services committee neats with leon panetta. it will focus on the raid that led to usama bin laden's death. at the same time, homeland security secretary janet napolitano will testify before a senate committee about protecting our nation's borders. the explosions keep on come along the mississippi river. check out this video. the army corps of engineers blowing a second hole now in a levee in less than 24 hours. they're diverting the water away from homes in illinois and on to farms in missouri instead. several homes have been damaged. and the flooding causing problems down in tennessee as well. in memphis, the mississippi river could see a near record crest of 48 feet by next week. two more republicans taking major steps towards running for president in 2012. former pennsylvania senator, that is, rick santorum and former ambassador to china, john huntsman both filed preliminary paperwork to start campaigns. santorum will face off against other presidential hopefuls in