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the secret planning for president bidens very dangerous travel to kyiv and the direct messaging hes sending to vladimir putin as the russian leader is expected to unleash a major new military offensive in the weeks ahead. key white house official john kirby joins us this hour. welcome to our viewers here in the united states and around the world. im wolf blitzer, and this is a "situation room" special report. president biden is in poland this hour after personally delivering a strong...

>> ambassador, thank you so much for joining us. good luck to you. good luck to all of the people of ukraine as well. were going to break down what we just heard from the ambassador with our correspondents and commentators. theyre covering all the angles of president bidens historic trip to ukraine. thats coming up. you see them there. right after a quick break. >> announcer: "the situatition room" with wolf blitzer, brought to you by chase. make more of whats yours. like what you e abe? yes! 2b...