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♪ very good wednesday morning to you, i'm jim sciutto. >> and i'm erica hill. happening right now, more than 4,500 civilians are stuck in the ukrainian city of bakhmut, this as russian forces launch a barrage of attacks on the fiercely contested area, president zelenskyy calling it the country's most difficult situation. as of now, though, ukrainian forces are still holding the line. cnn is on the ground in eastern ukraine and we will bring you the very latest. plus a political -- >> sorry, go ahead. >> it's all yours. >> plus a political shakeup in chicago. mayor lori lightfoot...

To nato to be everybody but russia in europe because that creates the same problem we had during the first world war and that's what russia -- one of russia's sticking points to be, but now the situation has changed on the ground, i think that both of them need to go in at the same time, the alliance has got to be strong. and then eventually now i could even see go five years down the road, once there is a peace settlement that ukraine does get more security assurances from nato eventually and maybe eventually ten years is in the alliance itself. >> major mike lyons, thanks so much. >> thanks....