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Treasury Secretary Steven Mnuchin. Photo: Chip Somodevilla/Getty Images

Treasury Secretary Steven Mnuchin failed to meet House Democrats' request to hand over 6 years of President Trump’s tax returns by the Wednesday's deadline, stating he needs more time for review, but providing no details as to whether he will comply.

Details: Mnuchin said in a letter to the House Ways and Means Committee chairman Richard Neal (D-Mass.) that his agency has consulted with the Justice Department to review the lawfulness of the request. He said it "raises serious issues concerning the constitutional investigative authority, the legitimacy of the asserted legislative purpose and the constitutional rights of American citizens."

Go deeper: House Democratic chairman asks IRS for 6 years of Trump's tax returns

Go deeper

Federal court blocks Biden's vaccine mandate for health workers in 10 states

President Biden delivers remarks on the Omicron COVID-19 variant following a meeting with his COVID-19 response team. Photo: Anna Moneymaker via Getty Images

A federal court in Missouri has blocked the Biden administration from enforcing a coronavirus vaccine mandate for health care workers at federally-funded facilities in 10 states.

Why it matters: Monday's decision is the first victory for opponents of the rule, which requires health care workers to get vaccinated by Jan. 4, 2022. The case is one of four lawsuits challenging the Centers for Medicare & Medicaid Services' (CMS) rule and argues that the mandate will exacerbate staffing shortages.

Twitter's next act

Illustration: Annelise Capossela/Axios

Twitter co-founder and CEO Jack Dorsey is exiting the company he helped build at a time when its future has never been so uncertain.

Why it matters: The person who controls Twitter controls the de facto public square — with implications for politics, media and free speech.

26 mins ago - Health

CDC strengthens COVID booster recommendation

Rochelle Walensky. Photo: Chip Somodevilla/Getty Images

The Centers for Disease Control and Prevention (CDC) on Monday strengthened its previous recommendation for booster shots, saying that everyone 18 and older "should" receive a booster dose.

Why it matters: Last month, CDC director Rochelle Walensky accepted a key advisory committee's recommendation that adults "may" get the shot. The slight, but strengthened, change in wording comes amid the emergence of the Omicron coronavirus variant.

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