Happening now breaking news. The United States has received Russia's response on Ukraine

as the two countries have been brawling over the crisis over at the United Nations. The Pentagon is

warning that Moscow has positioned even more troops for a potential invasion and

President Biden insists the US is ready for whatever happens next.

Also tonight, a CNN exclusive.

We've learned the January 6th Select Committee

has spoken with the former Chief of Staff

to Vice President Mike Pence Pence this as Donald Trump is

publicly admitting for the first time that he wanted his VP to overturn the

2020 presidential election. We're gonna break down all the new provocations

by the former president.

And as COVID cases decline, America's governors

and health experts are urging the Biden administration to offer clear guidelines on how to lift restrictions and move away from the pandemic.

We want to welcome our viewers here in the United States and around the world. I'm Wolf Blitzer, you're

in the situation room. This is CNN breaking news.

Let's get straight to the breaking news on the escalating

attention right now between Russia and the United States over Ukraine. We're covering all the angles of the

story this hour. Our CNN Chief International Correspondent Clarissa

Ward is in Eastern Ukraine. CNN International diplomatic editor Nick Robertson is in Moscow for us.

But first, let's go to our chief White House correspondent, Caitlin Collins.

Caitlin, I understand you have new developments that we're just learning about right now.

Yeah well if the United States has now just received the written response from Russia in response

...