to the nato family, and you know, the air space is right there next to one another. the potential for miscalculation, and so how far is he going to go to continue to press what he believes is what he needs is a reordering of the east-west geostrategic balance and i do not think he is going to recoil as a result of some of this ukrainian resistance that clearly is coming to -- into play. >> i want to bring nola into the conversation but i need to follow up with one more question. i mean, what are the scenarios that are being briefed, would you guess, to president biden about what that could look like? >> well, i think we can no longer assume that certain options are off the table for vladimir putin, and i think we need to be thinking, you know, there can't be a failure of imagination here. what might he opt to do? i think we have to be prepared