>> we do not think that we need to panic. we think these risks are indeed very high because we have more troops, 150,000 troops on our borders. yes, indeed, that's a big risk. but a very big risk if we respond, if we do respond to one provocation or the other. and although on the temporary occupied territories we have a lot of provocations, and we see them, we see how through the mass media they're disseminating different provocative information. we need to preserve our stability, we need to keep calm and be adults. in this time, ukraine's army is more adult than others. >> we have a team of reporters all around the world following every moment of these fast-moving developments. we have more from the white house and the security countries in munich, germany. i want to begin with jill dougherty in moscow.