joining us now is tommy vietor, he served in the obama white house. he's a former spokesman for the national security council. also joining us, christopher hill, the former u.s. ambassador to south korea. he's now dean of the school of international studies at the university of denver. and retired u.s. navy admiral william fallon. he served as the head of the u.s. pacific command and u.s. central command. admiral fallon, what worries me the most is a miscalculation that could trigger all-out war. are you concerned about that, as well? >> wolf, i think it's prudent to be concerned and certainly pay close attention to this. but i believe this thing may be a little bit overhyped right now. >> tell us why, tell us why. >> well, the first thing is his ability to strike the u.s. i think is mostly talk. there's a possibility that some of his missiles might be able to range alaska or possibly a u.s. territory or bases closer in. but unlikely. they've never demonstrated an ability to get anything to fly as far as the u.s. it took them many years to get that on