>> shannon: prosecutors and defense attorney get one final chance to sway the jury in the casey anthony trial. peter doocy has the top stories. afterwards, defense will finish closing arguments. earlier today, prosecution said that casey killed her daughter because she didn't want to be a parent. she is charged with killing her three years ago and dumping the 2-year-old body in the woods. senator lindsey graham is criticizing the way that president obama is handling the troop drawdown in afghanistan. appearing on sunday sunday with special guest host shannon bream graham accused the president of not listening to his generals and putting forward a withdrawal schedule too aggressive. crews in montana trying to mop up an oil spill in the yellowstone river. exxon-mobil pipeline leaked