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Photo: Evan Vucci/AP

Although it has been known that Republicans first hired the firm behind the Trump-Russia dossier, it wasn't known which Republican group hired them — until now. The Washington Free Beacon, a conservative website, hired Fusion GPS (the firm) in 2015 to collect damaging information on various Republican presidential candidates, per NYT. They reportedly told Fusion GPS to stop collecting research on Trump when it became clear he was going to become the party's nominee.

Why it matters: The Free Beacon's chairman told NYT they had nothing to do with the dossier that the firm ultimately produced. "The Free Beacon had no knowledge of or connection to the Steele dossier, did not pay for the dossier, and never had contact with, knowledge of, or provided payment for any work performed by Christopher Steele," they said in a statement.

Don't forget: Fusion GPS has been in the news once already this week. Earlier, it was reported that Hillary Clinton and the DNC paid the firm to conduct research about Trump and his business dealings, which led to the dossier.

Big picture: Special Counsel Robert Mueller's Russia probe is certainly going to focus on the Trump-Russia dossier at some point. The Clinton-DNC news suggests that it was an attempt to discredit Trump, at least initially, and tied closely to her campaign. And The Free Beacon's New York hedge fund billionaire, Paul Singer, further complicates things with Trump: he has visited the White House and earlier he donated $1 million to the Trump's inaugural fund.

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.

41 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.