Updated at 5:49 p.m. ET

President Trump has pardoned his first national security adviser, Michael Flynn, who spent years enmeshed in an often bizarre legal war with the government that sprang from the Russia investigation.

Trump announced the news Wednesday on Twitter as Americans prepared to observe the Thanksgiving holiday this week.

The day before Thanksgiving offered a jarring contrast between President-elect Joe Biden and President Trump, who has yet to concede he lost the election.

Biden on Wednesday delivered a Thanksgiving address in Wilmington, Del., calling on Americans to unite in protecting their communities as they celebrate the holiday this year amid the raging coronavirus pandemic.

The U.S. Army Corps of Engineers has denied a permit for the massive Pebble Mine project in Alaska – a proposed open-pit copper and gold mine that would be upstream from the world's largest sockeye salmon fishery.

The Corps said in a statement Wednesday that it has determined that the plan "does not comply with Clean Water Act guidelines" and it had concluded that "the proposed project is contrary to the public interest."

When the 63rd annual Grammy Awards ceremony airs on Sunday, Jan, 31, the show will probably be unlike any Grammys we've seen before. The pandemic has changed the music industry in all sorts of ways, and that includes its "biggest night" — but there's still a ton of great music to celebrate, and many of this year's nominated artists are World Cafe alumni.