Tonight, the South African variant of coronavirus is found here in the U.S.

And the concern that the more contagious strain could lead to a surge in cases.

And this breaking news will go live to a deadly chemical leak at a food production plant.

Multiple workers dead, many more injured after a liquid nitrogen leak at a plant in the poultry capital

of the world.

These folks that came into work today did not have any idea of what would happen.

Why students nearby were told to shelter in place?

Super strain, the new variant found for the first time in South Carolina.

But the fear tonight that it's more

widespread in the U.S. and the news about which vaccines could provide protection.

The president's $2 trillion plan. Tonight, our interview with President Biden's chief of staff,

who says the relief package isn't dead in the water, and what's being done to speed up

vaccine distribution.

The enemy within, Speaker Pelosi's extraordinary warning about violence in Congress

and calls for a freshman member to be expelled after her old social media posts

indicates support for executing prominent Democrats, including former President Obama.

Californians hit with a fire hose of rain. Neighborhoods evacuated as levees break.

Game stop chaos. The stock slides after trades are restricted. The market's wild ride.

And this incredible story of quick-thinking nurses stuck in a snowstorm with several

vaccine doses about to expire. Wait to you see what they did.

This is the CBS evening news with Nora O'Donnell, reporting from the nation's capital.

Good evening, and thank you for joining us. We're going to begin with breaking news on two fronts tonight.

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