coalition forces and u.s. forces in afghanistan. those tensions escalated this month after a bomb blast in kabul that killed nine people, kerry and president karzai just wrapping up a news conference actually. we ll update you on any developments from that. also in afghanistan today another sign that u.s. involvement there is now winding down. the united states handed over full control of a prison near bagram air base to afghan authority. the transfer announced a year ago was supposed to take place within six months, but tensions with president karzai and concerns about how afghanistan would handle certain prisoners delayed the handover until now. and cbs is now apologizing to veterans who objected to a scene, this is from the reality show the amazing race. this episode here was shot in vietnam. contesnts there were sent to the hanoi memorial to find a clue they needed. extraordinary story. that memorial though was the wreckage of an american b-52