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Go to Economist.com and get your first month free. Happening now. Crisis talks over Ukraine fail to break the standoff between

the United States and Russia. Secretary State Lincoln warning is

Kremlin counterpart of a swift and severe response

if Vladimir Putin gives the order to invade.

Also tonight, new CDC studies confirm boosters provide the best protection against

Domachron. But the agency still won't commit to changing the

definition of fully vaccinated to include a third shot. I'll ask

Dr Anthony Fauchy why.

And the legal pressures on Donald Trump may be greater than ever right now.

After a week of stinging setbacks delivered by the US Supreme Court, state prosecutors, and the January 6 select

committee will break down the multiple cases and the mounting evidence against the former

president of the United States.

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. We begin with the United States and Russia locked in a showdown over Ukraine despite new efforts to de-escalate tensions.

...