if the red line has been crossed, isn't it subjective to think whether the line was crossed minorly or majorly by uses of chemical weapons? it has been crossed now, doesn't that force the hand of president obama? >> i think, i don't know if it forces the hand. he is the one that created that so-called red line. i am not sure it forces his hand, and whether or not it does, whatever the reality is, i just think we need to go in here with our eyes open and understand that this is a very complicated situation. i don't think it is libya where there was clear opposition, there was an opposition group, air cover is what they needed, and it tipped the balance in a straightforward way. this is more like iraq. i think it is even more complicated than iraq, and you know, we could topple assad tomorrow, then our troubles really begin, as you say. we have got russia and iran involved in this. not saying we should ab did i indicate responsibility, but i don't see good options now. >> let's talk about that responsibility. general mccaffrey, let me ask you, critics are charging that the u.s. supplying