A U.S. soldier shakes hands with an Iraqi girl in a school yard as troops distributed humanitarian aid in Baghdad, Iraq, Sunday, March 1, 2009.
Chart showing number of US soldiers killed in Iraq per year since 2003. President Barack Obama declared Friday the US war in Iraq will end by August 31, 2010, heralding a final chapter in an unpopular conflict which extracted a steep price in lives and dollars and divided a nation.
