ukraine on the ground is also explosive and rapidly changing and russia s might continues to be felt there. we re going to live to eastern ukraine right now and to nbc news chief correspondent richard engel, always a pleasure to have you on the show sir. thank you so much for joining. reporter: it s a pleasure, ronan. what we re seeing here in this eastern part of the country is a lot of nervousness and across ukraine there is a great deal of nervousness. they just saw crimea be detached from the country. russian forces taking over and then moving to annex crimea. and then we re hearing from vladimir putin in a very what russian officials are describing a historic speech. it s been highlighted repeatedly in the russian media. in which we are effectively hearing the putin doctrine where vladimir putin went out and said the soviet union s collapse was