>> we do not want and will not take any action of aggressive character. we will not attack, strike, invade, quote, unquote, whatever, ukraine. >> reporter: i also asked him why the russians are taking this hard line all of a sudden. he said the russians right now feel that ukraine is somehow already being integrated into nato structures, as he put it. he said that's a big concern for russia's security. the russians, of course, saying they want written guarantees from the united states that ukraine will never become a member state of nato. the u.s. already saying that's a non-staert. one of the other drefting things i picked up from the deputy foreign minister today is he said alternatively the russians might settle for the u.s. giving a legally binding response saying they would never vote for