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Our coverage begins before Trump’s defense team resumes opening arguments.

Democrats call for Bolton to testify after new report on aid to Ukraine

President Trump directly tied the holdup of nearly $400 million in military assistance to Ukraine to investigations of the Bidens, according to an unpublished manuscript of John Bolton’s forthcoming book, “The Room Where It Happened.”
Grammy Awards
Critic’s Notebook

It’s time for radical change at the Grammys — and the clock is ticking

Anyone who cares about contemporary music should be furious, bored or both by the ugly fact that no black artist has won album of the year since 2008. The Grammys have been too white, too male and too old for too long.
They indicate that the secretary of state’s press aide was aware that Mary Louise Kelly intended to ask him about several topics and the aide raised no objections, contrary to Pompeo’s characterization.
A video posted to social media by a Taliban-linked account shows what appears to be a plane used by the U.S. military.
Campaign 2020

Elizabeth Warren’s urgent bet to win Iowa

(Melina Mara/The Post)
(Melina Mara/The Post)
The senator has spent a year building the most intensive Iowa organization in memory. As she slips in the polls, Feb. 3 will test whether that is enough.
The cereal giant wants to phase out the use of glyphosate in its wheat and oat supply chain by 2025.
Super Bowl LIV
Perspective
In helping lead the 49ers to the Super Bowl, Sherman has cemented himself as the best cornerback of his era.
Super Bowl LIV
Kansas City’s use of the “tomahawk chop” and other customs patterned after Native American traditions has attracted increased attention from Native American groups and indigenous rights advocates.
In Case You Missed It

In Iowa, a bruising hunt for a candidate to love

For one mother and daughter, the search for caucus commitment took them through events, conversations and a weighing and reweighing of what mattered.
Special Report

How the doctor of ‘Concussion’ fame built a career on distorted science

Bennet Omalu became famous after telling the world he had discovered CTE. His fellow brain doctors knew better.
Voraciously

How to use gluten-free flour blends in your everyday baking

Some products are meant to replace regular all-purpose flour, though be prepared to adjust.
(Jacob Hurwitz-Goodman, Allie Caren/The Washington Post)
Mourners gather in Los Angeles after Kobe Bryant’s death
Mourners gather in Los Angeles after Kobe Bryant’s death
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Highlights from the 2020 Grammy Awards
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After GOP previews impeachment defense, lawmakers clash over what's next
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Officials warn of 'accelerated spread' as coronavirus gets stronger
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