the syrian use of the chemical weapons by launching another separate strike against the hospital to remove evidence. have you been briefed on that? >> no, i've not been briefed on that particular attack. but it makes sense to me that the russians are embarrassed by this. as everybody has been embarrassed by assad. his own -- some of his cabinet officials who have defected have said look, find another leader, but let's get rid of this guy because of what he's done to his own country and his own people and when his own tribe is saying that, it is really time for the russians to open a political discussion here of a negotiation on how to get this guy out of the process. have him go to russia. have him go wherever. but let's see a negotiated agreement here that will get rid of isis, which is in russia's interest and ours, because assad