i'll stay focused on the task at hand, getting as many people out as rapidly as possible and take that day by day. >> you can't commit to bringing back every american? >> there is a large number of christian missionaries and aide workers typically vulnerable because they are christians. is there a plan to get them to the airport and get them out? >> we are working with a variety of different types of groups, journalists, aid we workers ando forth to help facilitate their departure from the country, yes. >> talk about the contingency plan. the president of the united states left the white house on friday. when did your administration know another 6,000 troops would be needed for this withdrawal? >> so on wednesday evening, the president convened the principals to discuss the deteriorating situation on the ground in afghanistan. he posed the question as to whether we had to flow more forces in from the point of view of a contingency to draw down the embassy and secure evacuation. thursday morning, he gave the order to begin flowing those