Mike Waltz, Trump's incoming national security adviser, spoke with ABC News about peace negotiations to end the Russia-Ukraine war.

U.S. President-elect Donald Trump and Russian President Vladimir Putin are expected to have a call in the coming days or weeks, and it is unrealistic to aim to expel Russian soldiers from every inch of Ukrainian territory,

Incoming national security adviser Mike Waltz on Sunday spoke about the state of the Ukraine war and how negotiations for an end to the nearly three-year conflict may play out as the Trump administration is set to take office in just eight days.

"I do expect a call, at least in the coming days and weeks, so that would be a step, and we'll take it from there," incoming U.S. National Security Adviser Mike Waltz said on Jan. 12 regarding upcoming talks between Trump and Putin.

US President-elect Donald Trump and Russian President Vladimir Putin may hold a phone conversation in the coming days or weeks, Trump’s National Security Advisor Designate Mike Waltz said.