biden's call with is zelensky? is the president on the same page in terms how this crisis is escalating? >> reporter: jim, president biden tried to make clear in the phone call the u.s. has solidarity with ukraine as this threat of a russian invasion looms. the president spoke with zelensky just under an hour from the presidential retreat at camp david and the white house released a readout of that discussion saying that president biden made clear that the united states would respond swiftly and decisively together with allies and partners to any further russian aggression against ukraine. the two leaders agreed on the importance of corporating to pursue diplomacy and deterrence in response to russia's military build upon the border. this follows president biden secure call yesterday with