let's get to chris wallace, live with us on capitol hill. michaellon describing this as maybe most complicated situation he has seen in his long career as an observer and analyst. all over the world now. affrightening. >> that's right. because isis would be a horrible enough situation just in and of itself, but you also have iran, got russia and putin and ukraine, you have problems, syria, where over 150,000 people have been killed, and we didn't intervene there. so, there are a lot of problems all over the world, and obviously you could tell last night this president didn't want to get involved. did not want to return to iraq after having campaigned in 2012 as the man who ended the war in iraq, but now we're back, involved, and perhaps getting more deeply involved as time goes on. going to be very hard to keep this as limited as the president wants to make it. >> the enemy in this case doesn't want to keep us limited. they would like some sort of confrontation, sounds like. >> that's like the story of the dog who chases the dog and catches it. they