President Trump responded in a Monday morning tweet to former CIA Director John Brennan's statement on NBC's "Meet the Press" that he would consider suing Trump to prevent him from revoking the security clearances of other former intelligence officials.

"I hope John Brennan, the worst CIA Director in our country’s history, brings a lawsuit. It will then be very easy to get all of his records, texts, emails and documents to show not only the poor job he did, but how he was involved with the Mueller Rigged Witch Hunt. He won’t sue!"

Go deeper: Watch a clip from Brennan's "Meet the Press" appearance.

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15 mins ago - Health

Top business leaders urge White House to develop mandatory mask guidelines

A man walks past a Ramen restaurant in Los Angeles, California on July 1. Photo: Frederic J. Brown/AFP via Getty Images

The heads of the U.S. Chamber of Commerce, Business Roundtable, National Retail Federation and other top business organizations wrote an open letter on Thursday urging the White House coronavirus task force to work with governors to make face coverings mandatory in all public spaces.

Driving the news: An analysis led by Goldman Sachs' chief economist found that a national mandate requiring face coverings would "could potentially substitute for lockdowns that would otherwise subtract nearly 5% from GDP," the Washington Post reports.

Updated 46 mins ago - Politics & Policy

Coronavirus dashboard

Illustration: Sarah Grillo/Axios

  1. Global: Total confirmed cases as of 3:30 p.m. ET: 10,763,604 — Total deaths: 517,667 — Total recoveries — 5,522,094Map.
  2. U.S.: Total confirmed cases as of 3:30 p.m. ET: 2,715,124 — Total deaths: 128,439 — Total recoveries: 729,994 — Total tested: 32,827,359Map.
  3. Public health: What we know about the immune response to coronavirus and what it means for a vaccine.
  4. Politics: Herman Cain hospitalized for COVID-19 after attending Trump Tulsa rally — Biden downplays jobs number, rebukes Trump for ignoring health crisis.
  5. States: Florida reports more than 10,000 new coronavirus cases — 5 states saw 27% spike in heart-related deaths in first 3 months of coronavirus pandemic.

The other immune responders to COVID-19

Illustration: Eniola Odetunde/Axios

Scientists are inching closer to understanding how antibodies and immune cells are unleashed by the body in response to the novel coronavirus.

Why it matters: Natural immunity differs from that afforded by vaccination but it offers clues for the design of effective vaccines and therapies.