Even as they have rallied to Volodymyr Zelenskiy's side after his Oval Office clash with Donald Trump, European leaders' approach to the war in Ukraine and the continent's security remains highly dependent on the U.

Following Trump's lead, White House officials and Republicans in Congress used news show appearances to demand that Zelenskyy display more gratitude for U.S. support and an openness to potential war-ending concessions to Russian President Vladimir Putin.

In an interview with CNN’s Dana Bash on “State of the Union,” National Security Adviser Mike Waltz says there need to be “territory concessions” in exchange for security guarantees.

National security adviser Mike Waltz said on Sunday the U.S. does “not see Ukraine being a member of NATO.” “One thing is clear, we do not see Ukraine being a member of NATO, because that would automatically drag U.