but while the president is on the ground there in brussels, it will give him an opportunity to further coordinate the u.s. and allied western response to russia in the wake of this aggression against ukraine. officials have also said that the president will be discussing china's role in all of this following that meeting. that virtual call that he had with president xi jinping of china yesterday where he warned that there would be consequences if china were to assist russia in any way. but it is clear that the u.s. and its allies are finding this to be a pivotal moment to come together, to further respond to russia's aggression but also figure out ways to help ukraine as they continue to defend themselves against this onslaught. wolf. >> arlette saenz at the white house for us. thank you. also tonight, new cnn reporting inside president biden's strategy in dealing with russian president vladimir putin. cnn's edward isaac is joining us. he's done a lot of reporting on