This afternoon, a top white house official warned that Russia could invade Ukraine at any

time.

We want to be crystal clear on this point.

Any American in Ukraine should leave as soon as possible and in any event in the next

24 to 48 hours.

In recent weeks, President Biden has been warning Russia that if it enters Ukraine,

the U.S. will cripple the Russian economy with sanctions.

We will impose the most severe sanctions that have ever been imposed, economic sanctions,

and there will be a lot to pay for that down the road.

Some of the sanctions that have been discussed include targeting Russian banks and financial

transactions that would make it incredibly difficult to do business with Russian entities.

There has been talk about sanctioning President Putin himself and people around him.

That's our colleague, Boyan Panchevsky.

He says those measures won't really hit Russia where it hurts.

Most experts agree that there's only one really painful measure that you can impose on

the Russians and that's cutting off their revenues from gas and oil.

But the U.S. is unlikely to cut off those revenues because one of its closest allies,

Germany, needs Russian gas.

In Germany, Russian gas is what keeps people's homes heated and the country's factories running.

They need Russian gas.

Where else are they going to get their gas from?

The Germans are simply not ready.

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