NPR Staff

Updated at 3:55 p.m. ET

Attorney General William Barr is scheduled to testify before the House Judiciary Committee after the Justice Department took the unusual step of intervening in Roger Stone's sentencing recommendation.

President Trump hailed Barr on Wednesday for making the recommendation.

President Trump delivered his third State of the Union address Tuesday night, the day before his Senate impeachment trial is scheduled to wrap.

Rudy Giuliani, President Trump's personal attorney, says the president should not back away from investigating Joe Biden even after Trump's expected acquittal Wednesday by the U.S. Senate.

"Absolutely, 100%," Giuliani told NPR's Steve Inskeep in an interview Tuesday. "I would have no problem with him doing it. In fact, I'd have a problem with him not doing it. I think he would be saying that Joe Biden can get away with selling out the United States, making us a fool in the Ukraine."

Updated at 4:30 p.m. ET

As jurors in President Trump's impeachment trial, senators have remained silent as House impeachment managers and Trump's defense team make their cases. But now they have their opening.

The trial adjourned on Monday, giving senators their chance to take the floor. That window was still open on Tuesday; senators had up to 10 minutes each to speak.

Senate Majority Leader Mitch McConnell, R-Ky., spoke first on Tuesday, dismissing the two articles of impeachment against Trump as "constitutionally incoherent."

In Iowa, voters expect candidates to come to them. Homes, churches and schools serve as intimate venues for presidential hopefuls to meet and greet with folks who could have an impact on the momentum of their campaigns.

"We expect to shake their hands, we expect to look them in the eye, we expect to be able to ask them the questions we care about," says Rachel Paine Caufield, a political science professor at Drake University in Des Moines.

The complete list of winners of the 62nd annual Grammy Awards, presented on Jan. 26, 2020, is below.

The White House released its formal response to the summons sent by the Senate last week, a procedural part of the impeachment process ahead of the trial that begins on Tuesday.

"The articles of impeachment submitted by House Democrats are a dangerous attack on the right of the American people to freely choose their president," the White House's response says. "This is a brazen and unlawful attempt to overturn the results of the 2016 election and interfere with the 2020 election."

House impeachment managers released their formal response to the summons sent by the Senate last week, a procedural part of the impeachment process ahead of the trial that begins on Tuesday.

"President Trump's conduct is the Framers' worst nightmare," they said in the brief released Saturday.

Read the brief here.

News organizations and journalists' advocates are challenging restrictive new ground rules for reporters assigned to cover the Senate impeachment trial.

Correspondents who submit to an official credentialing process are granted broad access throughout the Capitol complex and usually encounter few restrictions in talking with members of Congress or others.

But now Senate Sergeant-at-Arms Michael Stenger has imposed new requirements for the impeachment trial, negotiated in part with Republican leadership:

We don't have a crystal ball, but as journalists covering global health and development, we have a pretty good nose for emerging trends (with some help from our favorite expert sources).

Some likely trends give cause for optimism — signs of progress in solving the world's problems. Other trends are pessimistic — threats and challenges that are expected to worsen in the year ahead.

Here are 11 trend lines we'll be watching in 2020. First we'll give you the bad news — then the hopeful predictions.

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