people are reporting that quality oil from ubekistan that are poisonous. people have lost their lives because of thehemicals used. it will depend on the type of minds. anywhere from three years to five years is the window. >> you touched on this a minute ago. general petraeus was asked a number of tough questions on afghanistan, particularly in hearings this week. specifically, what if and when the u.s. leaves? let's look in brass tacks. if the u.s. were to leave, what does that mean for the future of afghanistan? >> if we hear an announcement tomorrow that the u.s.'s leading -- is leaving in 2011, the type of announcement can create a rapid erosion of confidence. psychological effects usually set the tone for further advance. we have seen these things in other parts of the world. premature announcements, politickingwith war, wars have to fought or we should not choose to go to war. in my opinion. pakistan's war is not over. if it is over, why are we there? if we have not finished the work, should we finish it or not? this is an obvious thing. if the war i