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Combination images of Democratic presidential nominee Joe Biden and President Trump. Photo: Alex Wong/Getty Images/Spencer Platt/Getty Images

Democratic presidential nominee Joe Biden's campaign team released an ad on Twitter late Sunday in response to the New York Times' explosive report on President Trump's income tax contributions.

Why it matters: The ad and accompanying tweet stating how much tax American workers like nurses and teachers pay compared to the $750 in federal income taxes the NYT said Trump paid in 2016 and again in 2017 marks the first official response by the Biden campaign to the report, which Trump called "fake news." The ad comes ahead of the first presidential debate on Tuesday.

A tweet previously embedded here has been deleted or was tweeted from an account that has been suspended or deleted.

Go deeper:

Go deeper

Facebook will resume political ad ban in Georgia after polls close

Photo: Chesnot/Getty Images

Following the Georgia runoff elections, the Facebook ban that restricts ads on social issues, elections and politics nationwide will be reimplemented in the state, the company said on Tuesday.

The big picture: The company has been trying to adapt its political ad policies in real time to curb confusion and possible misinformation around the election results.

Updated 19 mins ago - Health

The case for Operation Warp Speed 2.0

Illustration: Annelise Capossela/Axios

Omicron's blitz around the world has underscored the need for a new arsenal of COVID vaccines and therapeutics, experts say — and that may require an effort akin to Operation Warp Speed 2.0.

Why it matters: The virus will continue to evolve, potentially in a way that further escapes vaccine protection, and the best way to prevent more global disruptions to everyday life is to have tools ready to combat whatever comes next.

Ina Fried, author of Login
46 mins ago - Technology
Column / Signal Boost

Microsoft's metaverse maneuvering

Illustration: Annelise Capossela/Axios

Microsoft is pitching investors and regulators that its $68 billion Activision Blizzard deal is all about the metaverse, that nebulous buzzword taking the tech world by storm.

What they're saying: By my colleague Stephen Totilo's count, Nadella used the word "metaverse" at least five times in his conference call discussing the deal. Activision Blizzard CEO Bobby Kotick mentioned the metaverse four times, while Microsoft gaming chief Phil Spencer used the term twice.