Right now, the new front in the trade war.

Moments ago, President Trump imposing 25% tariffs on steel and aluminum, saying they protect American jobs,

but will they also raise prices?

The backlash in Canada, as some say they feel betrayed and won't buy American.

The legal showdown over President Trump's cost-cutting efforts, a federal judge judge ruling the White House defied his order to unfreeze billions in spending.

The new protests tonight and Laura Jared on the emerging legal battles.

The winter storm threat, the nation's capital bracing for deep, cold, heavy snow, and ice.

The flood threat in the south and another major storm right behind

it.

Cease fire in jeopardy.

Hamas signals they may not release more hostages.

It comes after the uproar over the condition of three Israeli men released this weekend,

and President Trump's controversial new proposal about Palestinians displaced by the conflict.

After the fires, the toxic debris processing site raising concern why local officials say they were blindsided, our investigation.

Good news for parents, the potential treatment for kids with mild peanut allergies.

This is NBC Nightly News with Lester Holt.

Good evening and welcome. President Trump tonight wants more wielding what could be best described as his go-to foreign policy weapon, tariffs.

This time signing a proclamation requiring foreign steel and

aluminum makers to pay a 25% tariff on goods that they import to the United States.

The president also weighing the stakes globally, floating the idea of slapping reciprocal

tariffs on every country. But the hardball approach has its risks, mainly that those

tariffs are likely to be passed along to American consumers. The president signing the steel

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