Good evening. I'm John Yang. The last time Ukrainian president, Volodemar Zelensky, was in the Oval Office,

things got heated as President Trump loudly berated him. But when he returns tomorrow, he'll have reinforcements.

At least a half dozen European leaders will join him in a high-profile display of unity.

After meeting with Russian President Vladimir Putin last week,

Mr. Trump aligned himself with Russian positions.

That triggered European fears that Ukraine could be pressured

into accepting a deal on Moscow's terms.

Today, Zelensky was in Brussels,

meeting with European Commission President Ursula von der Leyen.

Since the beginning of Russia's brutal invasion, Europe has been at Ukraine's side, united,

and we will support you for as long as it takes, for just and lasting peace.

It's very important that you are with us and that we speak to America and we speak together.

To look ahead to tomorrow's meeting, William Taylor, he's a distinguished fellow at the Atlantic Council's Eurasia Center.

He's a former U.S. ambassador to Ukraine and was temporary head of mission there in the first Trump term, later testifying in Mr. Trump's

impeachment. Mr. Ambassador, this is going to be a remarkable scene in the Oval Office tomorrow.

You've got heads of state flying to Washington on a moment's notice to support Zelensky.

How unusual is this?

It's very unusual, John. You're exactly right. This is a measure. This is a demonstration

of how strongly the Europeans feel about Ukraine and how about supporting Zelensky.

They got together. We remember last Wednesday on a telephone, on a Zoom call, the same group

with Zelensky and Trump and that group of European leaders. And they all agreed on what the

approach would be. In Anchorage, they agreed to focus on a ceasefire. That seemed to have come

...