putin and so forth. and then the commitment to the battlefield to provide additional arms, ammunition, weapons systems and even humanitarian assistance and economic support. all of that, i think, if you put it all together is very important. particularly the piece on the battlefield and moscow, it starts to perhaps show a way that there could be the kind of pressure on putin that could lead him to accept a negotiated outcome that includes some conditions he would not have agreed to prior to the invasion. >> do you have a sense of how this conflict in ukraine ends? is it -- given the successes ukrainian forces have had and the stalled offenses around kyiv, maybe kharkiv, how does this come to an end? >> well, i think the combined pressure, and that's what's really crucial here, anderson, i think if the ukrainians can really demonstrate that the russians not only can't achieve