We're expecting President Biden at any moment.

The President is about to give an update on his attempt to convince Russia to stand down

and not invade Ukraine.

This, as the State Department says, Russia is already carrying out false flag operations

and a source calls the Outlook leak.

Then, the news, a lot of parents don't want to hear new clues about why vaccines for

kids under five have been delayed, and what scientists need to know to move forward.

And, emotions running high as a judge sent its former police officer, Kim Potter, to two years

for shooting and killing Dante Wrights.

Welcome to the lead-on, Pamela Brown, in for Jake Tapper.

And, any moment, President Biden is set to address the world from the White House

about the possible Russian invasion of Ukraine.

A senior U.S. official telling CNN today the latest intelligence assessment is, quote,

bleak, and shows Russia is moving forward with its preparations for an invasion.

The United States now estimates 160 to 190,000 Russian personnel are in and around Ukraine,

nearly double the number from three weeks ago.

This includes troops on the border and Russian-led forces in eastern Ukraine, causing heightened concerns

and explosion in the eastern Ukrainian city of Donetsk, which the U.S. State Department is calling

a false flag operation.

An attack set up by Russia to try and justify an incursion into Ukraine.

Let's get straight to CNN's Caitlin Collins at the White House.

Caitlin, President Biden, just wrapped up his call with European leaders.

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