John Sopko, Special Inspector General for Afghanistan Reconstruction, testifies on Capitol Hill last June. Sopko says the Afghans are still having trouble managing the money the U.S. sends to the country. The U.S. has spent $110 billion on Afghanistan's reconstruction since 2002. Charles Dharapak/ASSOCIATED PRESS hide caption

itoggle caption Charles Dharapak/ASSOCIATED PRESS

A shackled detainee is transported by guards, including a female soldier, at Camp Delta detention center, Guantanamo Bay U.S. Naval Base, Cuba, in this photo from December 2006. Brennan Linsley/AP hide caption

itoggle caption Brennan Linsley/AP

The entrance to Camp 5 and Camp 6 at the U.S. military's Guantanamo Bay detention center at Guantanamo Bay Naval Base, Cuba, in a photograph taken in 2014. Ben Fox/AP hide caption

itoggle caption Ben Fox/AP