JAKE SULLIVAN: Well, first, let's not forget that we are currently helping Ukraine fight Russia in Ukraine in the most dramatic and full throated way one could- could imagine.

Outgoing National Security Adviser Jake Sullivan denied reports that the administration is mulling the possibility of returning nuclear weapons to Ukraine, which relinquished its stockpile after ...

SULLIVAN: As long as Ukraine is determining its destiny, and we are not dictating Ukraine's destiny for it, then, to me, diplomacy very much makes sense. Related Topics: Jake Sullivan , Donald ...

National security advisor Jake Sullivan on Sunday said President Joe Biden was doing what he could to "strengthen" Ukraine's ...

During its last 71 days in the White House, the Biden administration will continue to push forward with support for Ukraine, national security adviser Jake Sullivan said Sunday.