brave roaming taliban in the dark in the hope the numbers at the gate have dropped. and in the day, it got nastier still. there were moments of hope, but they carry risk. when people see one success, they might want to try the same thing en masse. later in the day the u.s. troops had to repel the crowd. at other gates what seemed to be british soldiers struggled to push back crowds and huge queues have formed. america has a numbers problem, getting enough people on, but also claiming huge progress while not really knowing how many priority cases they are really seeking. >> how many american citizens remain in afghanistan? >> i don't know. what we do know is that 6,000 people are now at the airport, 6,000 people have been able to make it through the processing and as of a couple hours ago we had received only a handful of