MSNBC MSNBC Reports December 5, 2021 12:35:00
I would say in this case, the saber has been drawn out of the sheathe and vladimir putin is aggressively waiving it in the face of the ukrainians. ukraine must stay steady, rely on the united states in this crisis. >> reporter: the provocations come as russia has demanded the u.s. guarantee that ukraine won't join the nato military alliance, but president biden has been career he rejected any such conditions. >> i don't accept anybody's red line. >> that was monica alba reporting. and joining us now to discuss what this impending invasion might mean for the u.s., secretary of state joel rube a...