your time. lindsey reiser picks up with more news right now. good morning. i m lindsey reiser at msnbc headquarters in new york. right now, diplomatic and military gears are in overdrive around ukraine. the united nations general assembly is holding an emergency meeting after russia s newly intensified strikes. and defense secretary lloyd austin is in brussels meeting with counterparts about supporting ukraine with more weapons, sharing this message. the whole world as just seen yet again, the malice and cruelty of putin s war of choice. we remain resolute. concern is only growing this morning over what vladimir putin s next possible military moves could be as he lashes out at ukraine for a strike on his beloved crimea bridge. and president biden is painting this portrait of his russian counterpart. i think he is a rational actor who miscalculated significantly. what president biden is now saying about whether he believes putin will use a nuclear weapon. and in ukra