Photo by Ethan Miller/Getty Images; Shahar Azran/Getty Images

Sen. Elizabeth Warren purchased a full-page ad in Thursday's edition of the Las Vegas Review-Journal to tell the paper's billionaire owner, GOP mega-donor Sheldon Adelson, how much he would pay under her proposed wealth tax, per The Nevada Independent's Jon Ralston.

Why it matters: The ad appeared in the paper the day after Warren challenged another billionaire — former New York City Mayor Mike Bloomberg — on the debate stage. The ad buy also comes days before the Nevada caucuses.

What she's saying: If Adelson paid 6% of his net worth under Warren's wealth tax, the ad claims, student debt for hundreds of thousands of Nevadans would be cleared, still leaving leftover dollars for increased funding for child care, free tuition at Nevada public universities, community colleges and trade schools.

Of note: Adelson, whose family backed Trump and other Republican candidates with more than $82 million in 2016, plans to spend at least another $100 million on the president's reelection efforts in 2020, per the Guardian.

Go deeper: Elizabeth Warren on the issues, in under 500 words

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Coronavirus dashboard

Illustration: Sarah Grillo/Axios

  1. Global: Total confirmed cases as of 7 p.m. ET: 12,859,834 — Total deaths: 567,123 — Total recoveries — 7,062,085Map.
  2. U.S.: Total confirmed cases as of 7 p.m. ET: 3,297,501— Total deaths: 135,155 — Total recoveries: 1,006,326 — Total tested: 40,282,176Map.
  3. States: Florida smashes single-day record for new coronavirus cases with over 15,000 — NYC reports zero coronavirus deaths for first time since pandemic hit.
  4. Public health: Ex-FDA chief projects "apex" of South's coronavirus curve in 2-3 weeks — Coronavirus testing czar: Lockdowns in hotspots "should be on the table"
  5. Education: Betsy DeVos says schools that don't reopen shouldn't get federal funds — Pelosi accuses Trump of "messing with the health of our children."

Scoop: How the White House is trying to trap leakers

Illustration: Sarah Grillo/Axios

President Trump's chief of staff, Mark Meadows, has told several White House staffers he's fed specific nuggets of information to suspected leakers to see if they pass them on to reporters — a trap that would confirm his suspicions. "Meadows told me he was doing that," said one former White House official. "I don't know if it ever worked."

Why it matters: This hunt for leakers has put some White House staffers on edge, with multiple officials telling Axios that Meadows has been unusually vocal about his tactics. So far, he's caught only one person, for a minor leak.

11 GOP congressional nominees support QAnon conspiracy

Lauren Boebert posing in her restaurant in Rifle, Colorado, on April 24. Photo: Emily Kask/AFP

At least 11 Republican congressional nominees have publicly supported or defended the QAnon conspiracy theory movement or some of its tenets — and more aligned with the movement may still find a way onto ballots this year.

Why it matters: Their progress shows how a fringe online forum built on unsubstantiated claims and flagged as a threat by the FBI is seeking a foothold in the U.S. political mainstream.