The Pentagon is engaged in five separate efforts to better account for Afghan defense and security forces to prevent “ghost” soldiers and police officers being falsely claimed on payrolls, according to a letter the Defense Department sent to the government's top watchdog for Afghanistan reconstruction. The Pentagon letter came in response to concerns raised by Special Inspector General for Afghanistan Reconstruction John Sopko, who expressed concern in an Aug. 5 letter to Defense Secretary Ash Carter whether “adequate steps” have...