Three Americans were killed as the result of a roadside bomb inPakistan, near the Afghan border. The deaths were the first of theirkind since the U.S. military's involvement in training activities inPakistan's tribal regions. Though the Taliban has claimedresponsibility for the attacks, it is unclear whether the U.S.personnel were the targets of the attack or were just a byproduct of anattack meant to deter attendance at an inauguration for a regionalall-girls school. NewsHour's Gwen Iffil speaks with Dawn TV's SaimaMohsin.