Welcome to the NewsHour. Donald Trump has returned to office as the nation's 47th president.

His inauguration today marked the first time since Grover Cleveland that a U.S. president will serve non-consecutive terms.

And the first time in 40 years, an inauguration had to be held indoors because of freezing temperatures.

President Trump's second term officially kickstarts with an ambitious and controversial

agenda that's expected to bring mass deportations, aggressive tariffs on imports from competitors

and allies alike, and a promise of retribution against political foes that led to last-minute

pardons from outgoing President Joe Biden.

Laura Barone Lopez reports.

Preserve, protect and defend.

The Constitution of the United States.

The Constitution of the United States.

So help me God.

So help me God.

Congratulations, Mr. President Donald Trump's improbable comeback now complete.

I stand before you now as proof that you should never believe that something is impossible to do.

In America, the impossible is what we do best.

From attempting to overturn the legitimate election results four years ago, to embattled criminal defendant and convicted

felon, to president of the United States once more. Today marked a political turnaround not

seen in modern times. Trump's second inauguration also had an atmosphere not seen in decades.

Outside, the west front of the Capitol where

inaugural ceremonies are typically held stood nearly empty. With the temperature below freezing,

the cold weather moved the inaugural ceremonies indoors for the first time in 40 years.

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