Tonight states of emergency, nearly half the country bracing for a potentially historic winter storm.

Tens of millions to face crippling ice, feet of snow, and brutally low temperatures.

Snow pounding parts of the northeast as a rare winter storm watch stretches as far south as Houston.

Governors already declaring states of emergencies,

supplies flying off the shelves, dangerous ice to threaten power grids, and travel expected to be

nearly impossible across thousands of miles. Al Roker standing by to time it all out. Is there a deal

over Greenland? President Trump backing

off his threat to take Greenland by force, announcing he struck an agreement for the territory

with the NATO Secretary. What we know about the deal as the president pulls his tariff threats,

sending markets soaring. A shooting involving a border patrol agent in California, crowds facing

off with law enforcement at the scene. Our reporter is there. The Clintons held in contempt,

the stunning move from lawmakers after former President Bill Clinton and Hillary Clinton refused to

testify about Jeffrey Epstein, even Democrats voting against them.

Our series, the cost of denial, one man charged nearly $6,000 for a six-mile ambulance ride.

What you need to know about what could happen when you call 911,

while your insurance may not cover that ride to the hospital.

Fireway Highway Rescue, deputies and other drivers rushing in to pull this trapped driver

from the flames.

And there's good news tonight, the patriotic sendoff for the middle school teacher trading serving

his students for serving his country.

Nightly News starts right now. This is NBC Nightly News

with Tom Yamas. And good evening. We begin tonight with the states of emergency as more than half

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