severity sanctions happen and putin still goes in? then what? then he faces criticism on the flip side, biden does. >> that's exactly right, brianna, because the fundamental calculation here is how much does putin believe that these sanctions are really going to hurt him? and if you think about that same press conference in january, the president said he doesn't think that this is going to be as severe as it will be. and so, you know, the president said outright, he's going to test the system. and you're seeing that test. but, remember, once the president was criticized for the minor incursions line, he came back and said, that means there can't be any russian troops over the border and if we determine over the next day or so, or the next few hours that there are in fact russian troops over the border, the president is going to have to explain what he meant by that. >> david, i really do think the next few hours, maybe day, is