i think we have to look at all possibility right now. there s a lot of changing dynami dynamics. unfortunately what we have seen, a lot of weapons are being co-opted by these islamic extremist group, and frankly some of them and i m not making assumptions about this situation, but in others parts of syria, some of the weapons that the u.s. has provided have gotten into the hands of the islamic extremist group. the point is the situation on the ground is changing. we can t rule out the possibility of these islamic extremist groups as having targeted the aircraft, but we have to see the results. we can t rule out the possibility of a bomb could have been placed inside that plane and blown it up along the lines of the pan am flight over lockerbie. that s exactly right. you ve had experts talking about all the different possibilities, if we look at what s happening on the ground and the