File photo of US soldiers at Bagram prison, north of Kabul. President Hamid Karzai made the transfer of Bagram prison a precursor to addressing long-term Afghan-US relations and possible legal ... more 

File photo of US soldiers at Bagram prison, north of Kabul. President Hamid Karzai made the transfer of Bagram prison a precursor to addressing long-term Afghan-US relations and possible legal immunity for US troops -- the key to combat troops remaining in the country after 2014 less