Photo: Drew Angerer/Getty Images

Sen. Rand Paul (R-Ky.) said the alleged name of the Ukraine whistleblower on the Senate floor as senators debated President Trump's impeachment on Tuesday.

The state of play: Paul read aloud his question that named the alleged whistleblower — and had an accompanying poster that also included the name — which Chief Justice John Roberts refused to read during the impeachment trial last week.

  • The Kentucky senator has been at the forefront of the push to name the whistleblower for months — a fight that triggered a schism between stalwart Trump allies and moderates in the GOP.

What he's saying: Paul defended his decision to CNN's Manu Raju, arguing that he did not single out the alleged whistleblower with his floor speech: "I would say the chief justice did that. By not allowing the question, he's sort of confirming to the public who it is. I have no idea who it is."

  • "I think it's very important that we know if there was a concerted government plot to bring the president down by a lot of employees," he added.

Go deeper: The GOP's war over naming the Ukraine whistleblower

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Pelosi, Schumer demand postmaster general reverse USPS cuts ahead of election

Schumer and Pelosi. Photo: Alex Wong/Getty Images

House Speaker Nancy Pelosi (D-Calif.) and Senate Minority Leader Chuck Schumer sent a letter to Postmaster General Louis DeJoy on Thursday calling for the recent Trump appointee to reverse operational changes to the U.S. Postal Service that "threaten the timely delivery of mail" ahead of the 2020 election.

Why it matters: U.S. mail and election infrastructure are facing a test like no other this November, with a record-breaking number of mail-in ballots expected as Americans attempt to vote in the midst of a pandemic.

CRISPR co-discoverer on the gene editor's pandemic push

Photo illustration: Aïda Amer/Axios. Photos: Brian Ach/Getty Images for Wired and BSIP/UIG via Getty Images

The coronavirus pandemic is accelerating the development of CRISPR-based tests for detecting disease — and highlighting how gene-editing tools might one day fight pandemics, one of its discoverers, Jennifer Doudna, tells Axios.

Why it matters: Testing shortages and backlogs underscore a need for improved mass testing for COVID-19. Diagnostic tests based on CRISPR — which Doudna and colleagues identified in 2012, ushering in the "CRISPR revolution" in genome editing — are being developed for dengue, Zika and other diseases, but a global pandemic is a proving ground for these tools that hold promise for speed and lower costs.

Updated 1 hour ago - Politics & Policy

Coronavirus dashboard

Illustration: Eniola Odetunde/Axios

  1. Global: Total confirmed cases as of 5 p.m. ET: 18,912,947 — Total deaths: 710,318— Total recoveries — 11,403,473Map.
  2. U.S.: Total confirmed cases as of 5 p.m. ET: 4,867,916 — Total deaths: 159,841 — Total recoveries: 1,577,851 — Total tests: 58,920,975Map.
  3. Politics: Pelosi rips GOP over stimulus negotiations: "Perhaps you mistook them for somebody who gives a damn" — Ohio Gov. Mike DeWine tests positive.
  4. Public health: Majority of Americans say states reopened too quicklyFauci says task force will examine aerosolized spread.
  5. Business: The health care sector imploded in Q2More farmers are declaring bankruptcyJuly's jobs report could be an inflection point for the recovery.
  6. Sports: Where college football's biggest conferences stand on playing.