standpoint and others are absolutely verb otten? guest: i won't go through the entire explanation involving all of these various occupations but in ukraine, we need to emphasize and need to consider that if russia recognizes the sovereignty of ukraine in something like -- the budapest miranda him. in terms of ukraine they actually went through a do new query station program and returned all of their new in light of the security guarantee. russia recognize the sovereignty of ukraine and it has now violated that sovereignty. it has occupied it is attempting to occupy ukraine. this is the whole european security architecture. i think that is why the occupation of ukraine has risen to such an important event in the past few hours. host: you mentioned russian commitments but what about u.s. commitments in that memorandum? what did we say we would do? guest: we said we would recognize ukraine sovereignty obviously ukraine is not a member of ukraine it does not have guarantees of response. we are also responsible biden has not said we can