that the russians should have known that this was a place where people are fleeing violence in other parts of the country and i interviewed one woman a few minutes ago and i asked her what it would take her to finally leave lviv and she said, frankly, she doesn't want to. she would only leave as a last resort and that's the message that you hear from a lot of people. that why should you leave if this is your home? a lot of people are choosing to stay at this moment, jim and erica, but that may change if the bombing continues. >> i was amazed by people's resolve there and their ability to just find moments of happiness in the midst of that. scott mclean, thank you for bringing that story. let's go now to the white house where the critical call between president biden and the chinese president xi jinping, cnn white house correspondent john harwood, national security correspondent kylie atwood standing by. john, first to you. this call began just about an hour ago on the dot. what message is biden sending to