situation is and how president biden is trying to project a real air of alliance here. that the allies are closely tied together and marching in lockstep in opposition to the russian aggression against ukraine. stern words from the president about how unified nato is. one of the three stops today. really remarkable day of diplomacy. now one month in to this war and the leaders heard an emotional address from president zelenskyy calling for their help and underscores while certainly the alliance is unified, administration officials like to say, it pointed out the limits to what president biden can do. for instance, as much as the nato alliance pledged help to ukraine they can't or won't do a no-fly zone. as much as they try to stop the