involvement in afghanistan jennifer glasse is in kabul with a look at that. jennifer? >> reporter: john, good morning for the afghan capitol. the people will be wondering whether the shift in congress and the senate is going to make any -- is going to have any effect on america's long-term commit afghanistan. this, of course, is america's longest war and it has been a costly war, john, not just in terms of money but, also, in terms of american lives. more than 2,1 on he on americans have died here in afghanistan. u.s. forces are leaving. a little over a week', we saw the marines close their base. >> that's part of a withdrawal that will leave just about 10,000 u.s. troops in here after the end of 2014 when the current nato mission ends and it's not just the troops here that are here to support the afghan security forces. they are in the battle literally for their lives. they had a very fierce fighting season. they still require air supports, logistical support and intelligence support from the united states which pays their budget as well. about $4,000,000,000 a year h