FILE - In this Aug. 26, 2013, file photo Pakistani Prime Minister Nawaz Sharif pauses during a joint press conference in Islamabad, Pakistan, with Afghan President Hamid Karzai. American and NATO supply routes to Afghanistan are open in Pakistan. Controversial U.S. drone strikes are down. The U.S. and Pakistan recently announced the restart of their "strategic dialogue" after a long pause. And Sharif is traveling to Washington for talks and a meeting Wednesday, Oct. 23, with President Barack Obama. (AP Photo/Anjum Naveed, File)