Special counsel Robert Mueller. Photo: Chip Somodevilla/Getty Images

A senior Justice Department official wrote to former Special Counsel Robert Mueller Monday, telling him that his upcoming congressional testimony should "not go beyond" his report on the Russia investigation, Fox News first reported.

The big picture: Mueller is due to testify before the House Judiciary and Intelligence Committees from 8:30 a.m. Wednesday. The letter, signed by Associate Deputy Attorney General Bradley Weinsheimer, states that Mueller "must remain within the boundaries of your public report because matters within the scope of your investigation were covered by executive privilege."

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Fauci clashes with Rand Paul at COVID hearing: "You're not listening"

Top health expert Anthony Fauci rebuked Sen. Rand Paul (R-Ky.) at a hearing on Wednesday over his suggestion that New York's COVID-19 infection rate is low because the population there has reached herd immunity.

The big picture: Paul, a libertarian who has criticized government lockdown measures as "authoritarian," has clashed with Fauci in previous hearings. Paul accused Fauci of being a "big fan" of New York Gov. Andrew Cuomo and his lockdown restrictions, while Fauci said the Kentucky senator has repeatedly "misconstrued" his comments.

FDA chief vows agency will not accept political pressure on coronavirus vaccine

Food and Drug Administration Commissioner Stephen Hahn promised that "science will guide our decision" for a coronavirus vaccine at a Senate hearing on Wednesday.

Why it matters: More Americans are expressing doubt about a first-generation vaccine, despite President Trump's efforts to push an unrealistic timeline that conflicts with medical experts in his administration.

CEO confidence rises for the first time in over 2 years

Data: Business Roundtable; Chart: Naema Ahmed/Axios

A closely-watched CEO economic confidence index rose for the first time after declining for nine straight quarters, according to a survey of 150 chief executives of the biggest U.S. companies by trade group Business Roundtable.

Why it matters: The index, which still remains at a decade low, reflects corporate America's expectations for sales, hiring and spending — which plummeted amid uncertainty when the pandemic hit.

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