President Obama, accompanied by Commons Speaker John Bercow and Lords Speaker Baroness Helen Hayman, as he entered Westminster Hall. Nicholas Kamm /AFP/Getty Images hide caption

toggle caption Nicholas Kamm /AFP/Getty Images

President Obama, during his address at the State Department on Thursday (May 19, 2011). Jim Watson /AFP/Getty Images hide caption

toggle caption Jim Watson /AFP/Getty Images

Corporal Daniel Wheeler, Bravo Co. 1/5 Marines, walks through a waist high wheat field on a patrol in Sangin District near the Helmand River in southern Afghanistan earlier this month. David Gilkey /NPR hide caption

toggle caption David Gilkey /NPR

NPR thanks our sponsors

Become an NPR sponsor