A Marine with Fox Company sits in the dust and mud of the flooded entrance to Patrol Base Barcha in the Helmand River valley in southern Afghanistan. Rising water in the surrounding fields has forced the Marines to fill in the area with gravel and sandbags. The sweltering summer temperatures have dropped, bringing a new set of problems as winter approaches. In Washington, debate is under way on how the U.S. should proceed in Afghanistan — and how to pay for it. David Gilkey/NPR hide caption

itoggle caption David Gilkey/NPR

Pakistani paramilitary soldiers take position outside a police training center after gunmen attacked in Lahore on Thursday. A recent wave of attacks has raised questions about Pakistan's ability to secure its nuclear weapons facilities. Arif Ali/AFP/Getty Images hide caption

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In this 2004 photo, Saudi Prince Mohammed bin Nayef (left) visits the scene of clashes outside a special security forces camp in eastern Riyadh. Prince Mohammed, who is responsible for the kingdom's counterterrorism program, escaped a suicide bomb attack in Jidda, but the case is worrying Western security officials. Bilal Qabalan/AFP/Getty Images hide caption

itoggle caption Bilal Qabalan/AFP/Getty Images