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Photos: Scott Olson/Getty Images

Pushing back against Sen. Elizabeth Warren's claims that he is "running in the wrong presidential primary," former Vice President Joe Biden wrote in a Medium post on Tuesday that Warren's approach to politics is elitist and condescending.

"I have fought for the Democratic party my whole career. I know what we stand for, who we stand with and what we believe. And it’s not just policies or issues. It’s in my bones. That’s not something everyone in this primary can say,"
— Joe Biden

Though Biden did not name Warren explicitly, the former VP has aimed more criticism at the Massachusetts Senator as recent polling has shown the presidential candidates in a tight race. Biden spoke of an "elitism that working and middle class people do not share: 'We know best; you know nothing'. 'If you were only as smart as I am you would agree with me.’”

The big picture: Warren and Biden have recently highlighted a stark divide within the Democratic party. Warren's policies are largely regarded as some of the most progressive in the field, while Biden is mostly viewed as a moderate.

  • Biden argued in his post that the differences between the two 2020 candidates shouldn't be grounds of attacking his party identity.
  • "These kinds of attacks are a serious problem. They reflect an angry unyielding viewpoint that has crept into our politics ... It’s condescending to the millions of Democrats who have a different view," Biden wrote.

But, but, but: Biden argued he's the more radical of the two, stating in his post: "I believe I have proposed the most progressive, transformational ideas in this campaign — and I can get them done."

Go deeper:

Go deeper

Updated 6 hours ago - World

UK government: Kremlin has plan "to install pro-Russian leadership" in Ukraine

British Foreign Secretary Elizabeth Truss. Photo: Gints Ivuskans / AFP via Getty Images

The United Kingdom's Foreign Secretary on Saturday night said the government has "information that indicates the Russian Government is looking to install a pro-Russian leader in Kyiv as it considers whether to invade and occupy Ukraine."

Driving the news: U.S. National Security Council spokeswoman Emily Horne called the intelligence "deeply concerning" in a statement to Axios. The Biden administration has said Russia is actively manufacturing a pretext for invasion and warned that Putin could use joint military exercises in Belarus as cover to invade from the north.

Updated 7 hours ago - Science

This powerful new accelerator looks for keys to the center of atoms

Illustration: Eniola Odetunde/Axios

Nuclear physicists trying to piece together how atoms are built are about to get a powerful new tool.

Why it matters: When the Facility for Rare Isotope Beams begins experiments later this spring, physicists from around the world will use the particle accelerator to better understand the inner workings of atoms that make up all the matter that can be seen in the universe.

Updated 7 hours ago - Politics & Policy

Omicron dashboard

Illustration: Aïda Amer/Axios

  1. Health: FDA OKs antiviral drug remdesivir for non-hospitalized COVID patients — Walensky: CDC language "pivoting" on "fully vaccinated" — Pfizer and Moderna boosters overwhelmingly prevent Omicron hospitalizations, CDC finds.
  2. Vaccines: The case for Operation Warp Speed 2.0 — Teens and adults missed 37 million vaccinations during COVID — Team USA 100% vaccinated against COVID ahead of Beijing Olympics — Kids' COVID vaccination rates are particularly low in rural America — Annual COVID vaccine preferable to boosters, says Pfizer CEO.
  3. Politics: Arizona governor sues Biden administration over COVID funds tied to mandates — Biden concedes U.S. should have done more testing — Arizona says it "will not be intimidated" by Biden on anti-mask school policies.
  4. World: American Airlines flight to London forced to turn around over mask dispute — WHO: COVID health emergency could end this year — Greece imposes vaccine mandate for people 60 and older — Austria approves COVID vaccine mandate for adults — Beijing officials urge COVID-19 "emergency mode" before Winter Olympics.
  5. Variant tracker