Tonight, a once-in-a-generation winter storm blankets most of the country and threatens holiday plans for millions.

Long lines and cancellations at the airport.

I changed my flight to leave it to airline.

As the country prepares for heavy snow, strong winds and dangerous cold, CBS's Chris Van Clebe,

as what you need to know before you drive or fly.

Ukrainian President Zelensky's historic visit to Washington.

He meets with President Biden and addresses Congress.

We need to survive this winter.

We need to protect our people. Donald Trump's tax records, the first look at

financial documents that show the former president paid no federal income taxes in his final year

in office. Flu medicine shortage. The major move by the federal government as demand for Tamiflu rises

this flu season. Banning cell phones in school, CBS's Meg Oliver on why some educators think it's the key to taking pressure off students. And remembering Franco Harris, the four-time Super Bowl champion at the center of the Immaculate Reception.

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

Good evening, everyone. Thank you for joining us. I'm Major Garrett in for Nora.

After arriving on a U.S. military flight cloaked in secrecy, Ukrainian President Volodymyr Zelensky thanked U.S. taxpayers for helping his country fend off more than 10 months of Russian aggression.

Zelensky will address a joint meeting of Congress later tonight. Plus, Trump tax records made

public the former president

tax returns were not under audit as the IRS policy required. But first, a powerful winter

storm could disrupt holiday travel plans coast to coast. The National Weather Service calls this

system a once-in-a-generation storm that will produce, according to projections,

blizzard conditions in the central and eastern United States.

Airlines have already begun canceling flights.

...