Charles Rex Arbogast / AP

Republicans are going wild over Kim Strassel's "Potomac Watch" column in the WSJ, "A GOP Regulatory Game Changer." The piece discusses how legal experts are arguing that Congress can use the Congressional Review Act to overrule and dismantle Obama regulations going back to 2009.

Why this matters: The accepted understanding in Washington is that the CRA can only used against new regulations, specifically those finalized in the past 60 legislative days.

"This is aggressive, sure, and would take intestinal fortitude. Some Republicans briefed on the plan are already fretting that Democrats will howl. They will," said Strassel.

Reaction: Conservative radio show host Hugh Hewitt this morning tweeted that he hopes the Drudge Report "puts a red siren" on Strassel's column, adding that it may be the most significant column he's read in years.

What's next: A Republican source says conservative staff and think tanks throughout D.C. are starting to dig into the legality of this. "[I]t's a novel idea, but would be a game changer if true. I think the procedural hurdles in the Senate might be messier than this piece states, but opens up all kinds of doors if it works."

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Why it matters: The arms control era that began after the Cuban Missile Crisis may now be coming to a close. The next phase could be a nuclear free-for-all.

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

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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.

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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.