NEW : The two sides want to continue the military campaign . The White House has supported the idea of leaving no troops in Afghanistan after 2014 . Questions include who will follow Karzai and how much it will cost . Polls show a low level of interest in the war among Americans .
NEW : The two presidents agree to accelerate the military transition . The White House has floated the idea of leaving no troops in Afghanistan after 2014 . Questions include who will follow Karzai and how much it will cost . Polls show a low level of interest in the war among Americans .