Forces Pivot News Today

>> announcer: this is "nbc nightly news" with lester holt. good evening, everyone russian intentions are still difficult to sort out, but judging by their actions, kyiv is still very much in their sites tonight. while putins forces pivot to the east, u.s. military officials say the tempo of russian air assaults has picked up over the last 24 hours and that the capital is very much under threat from air strikes. elsewhere, ukrainian troops say they continue to draw blood against the invaders th...