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Photo: Scott Olson/Getty Images

Former Rep. Beto O'Rourke endorsed former Vice President Joe Biden on stage at a rally in Dallas, Texas, Monday.

Driving the news: O'Rourke is the third former 2020 competitor to endorse Biden Monday. Former South Bend Mayor Pete Buttigieg, who dropped out of the race Sunday, also endorsed Biden at the rally. Sen. Amy Klobuchar, who ended her campaign earlier Monday, did the same.

We need someone who can bring us together and heal us. We need Joe Biden."
— Beto O'Rourke at Biden's Texas rally
  • The endorsements come just hours before polls open on Super Tuesday. Sen. Bernie Sanders holds a narrow lead in delegates over Biden, but moderates coalescing around Biden could give him a vital boost.

What he's saying: At the rally, Biden praised the gun control advocacy of O'Rourke — who campaigned for buybacks of assault weapons and who declared last year, "Hell, yes, we're going to take your AR-15, your AK-47.

  • "You're gonna take care of the gun problem with me, you're gonna be the one who leads this effort," Biden told O'Rourke. "I'm counting on you, we need you badly."

The big picture: O'Rourke dropped out of the 2020 race in November after multiple attempts to rebrand himself in the Democratic field. He'd once been the buzz of the Democratic Party after making a splash in the 2018 midterms while running against incumbent GOP Sen. Ted Cruz.

Go deeper: Joe Biden's sudden, shocking surge

Editor's note: This article has been updated with new details from the rally.

Go deeper

Justice Department drops insider trading inquiry against Sen. Richard Burr

Sen. Richard Burr (R-N.C.) walking through the Senate Subway in the U.S. Capitol in December 2020. Photo: Stefani Reynolds/Getty Images

The Department of Justice told Sen. Richard Burr (R-N.C.) on Tuesday that it will not move forward with insider trading charges against him.

Why it matters: The decision, first reported by the New York Times, effectively ends the DOJ's investigation into the senator's stock sell-off that occurred after multiple lawmakers were briefed about the coronavirus' potential economic toll. Burr subsequently stepped down as chair of the Senate Intelligence Committee.

Netflix tops 200 million global subscribers

Illustration: Rebecca Zisser/Axios

Netflix said that it added another 8.5 million global subscribers last quarter, bringing its total number of paid subscribers globally to more than 200 million.

The big picture: Positive fourth-quarter results show Netflix's resiliency, despite increased competition and pandemic-related production headwinds.

Janet Yellen plays down debt, tax hike concerns in confirmation hearing

Treasury Secretary nominee Janet Yellen at an event in December. Photo: Alex Wong via Getty Images

Janet Yellen, Biden's pick to lead the Treasury Department, pushed back against two key concerns from Republican senators at her confirmation hearing on Tuesday: the country's debt and the incoming administration's plans to eventually raise taxes.

Driving the news: Yellen — who's expected to win confirmation — said spending big now will prevent the U.S. from having to dig out of a deeper hole later. She also said the Biden administration's priority right now is coronavirus relief, not raising taxes.