Alongside ukrainian pop star, the acoustic set included many well-known u2 songs as well as that song stand by me. clearly some symbolism there being shown around the globe. tonight here on cnn, he will join my colleague pamela brown. as we continue to watch the humanitarian response to putin s war in uk, cnn s randi kaye is in moldova, and it s there she finds families blossoming. reporter: these children are far from the war ravaging their country in ukraine. mer death is a mother of three, originally from baltimore, but she s been living in moldova since last year. when refugee moms started trekking akroes the border to