thank you for watching. the news continues streaming on captioning sponsored by cbs o donnell: tonight: terror gripping afghanistan. suicide bombers kill 13 u.s. service members and injure 15 more at the kabul airport, making it the deadliest day for the military there in a decade. and, the president vowing revenge tonight. the ultimate nightmare scenario. graphic and devastating scenes near the airport. dozens of innocent afghans killed. survivors using a wheelbarrow to get victims to the hospital. how did the terrorists get through checkpoints? and why the military says the threat isn t over. plus, the mission continues. the military vows to keep evacuating americans and afghans. but, what about retaliation? we will not forgive.