Tonight the storm's taking aim as millions prepare to hit the roads and skies this Thanksgiving week.

We're tracking two major systems that could mean potential chaos for travelers in what may be the busiest holiday travel period on record.

Plus our inside look at the tech working behind the scenes to keep your flight on time. And the scare on the ground when a frontier

plane and an American plane clipped wings. The dramatic reversal, special counsel Jack Smith,

moving to officially drop all federal charges against President-elect Trump in connection with the

January 6th and classified documents cases, what it all means for the incoming president.

The Menendez brothers case back in front of a judge for the first time in years,

why the judge is delaying their resentencing hearing until after the new year.

Plus, what we're finding out about the bird flu that was detected in raw milk, the new warning

tonight about the growing trend, what to know to stay safe.

The new deep fake scam you need to see to believe, the video is designed to make you think

you're talking to someone you trust, what to know.

And finally, there's good news tonight as a very special Christmas tree makes its White House debut.

This is NBC Nightly News with Lester Holt.

Good evening and welcome.

We are entering a period of challenging days for the estimated 80 million Americans traveling this holiday week.

Many of those cherished family gatherings facing literal headwinds tonight,

with the nation bracketed by storms from California to the northeast.

In a few moments, we'll go behind the scenes,

and one of the country's largest airlines to see how they are preparing

for what could be a record-breaking

day for Thanksgiving week air travel. TSA predicting 18 million. But whether by air or car,

...