Republicans in the senate and the house, and that the white house, are united, that if he does do further incursions into ukraine he ll pay a very, very heavy price, from the economic point of view and the isolation politically. nbc s erin mclaughlin joins me now from ukraine s capital, kyiv. erin, despite all the evidence we have of russian troops abounding around the borders, russia is accusing the u.s. of scaremongering. but for people in ukraine, this is quite ominous. reporter: oh, absolutely. and here in ukraine, folks are preparing for the worst. earlier today, i was at some military training for civilians, young and old, teenagers, men, women, coming out to learn how to use a weapon, learn how to administer lethal administer medical aid, also learning how to evacuate the wounded.