California Democratic Sen. Dianne Feinstein. Photo: Drew Angerer/Getty Images

Democratic Sen. Dianne Feinstein is the latest target of Trump's tweets. "The fact that Sneaky Dianne Feinstein ... would release testimony in such an underhanded and possibly illegal way, totally without authorization, is a disgrace. Must have tough Primary!" he wrote.

Our thought bubble: Feinstein is expected to face a primary challenge from Kevin de León, who is mounting a campaign as a more progressive alternative. Ironically, Trump's attacks on Feinstein could actually help position her as a stronger opponent to the president, which is what de León and progressives have been pressuring her to be.

The backdrop: Sen. Feinstein unilaterally released the controversial transcript of Fusion GPS founder Glenn Simpson about his firm's findings on Russia's interference in the 2016 election, as well as damning (but unsubstantiated) information on Trump's campaign. This could further strain her relationship with the top Republican member on the committee (Sen. Chuck Grassley), who previously declined to release this transcript.

Go deeper: Read excerpts from the transcript of Simpson's testimony.

Go deeper

Poll: 92% of battleground state voters are "extremely motivated to vote"

Voters stand in line at the Metropolitan Multi-Services Center in Houston, Texas on Oct. 13. Photo: Mark Felix for The Washington Post via Getty Images

91% of likely voters nationally say they are "extremely motivated to vote," including 92% in battleground states Arizona, Florida, Michigan, North Carolina, Pennsylvania and Wisconsin, according to a Change Research/CNBC Poll.

Why it matters: The 2020 election could see record-breaking levels of voter turnout. Voters last week cast ballots at nearly five times the rate they did at this point in the 2016 election, per the U.S. Elections Project. Over 39 million ballots have been cast in early voting states as of Wednesday.

Caitlin Owens, author of Vitals
49 mins ago - Health

OxyContin maker Purdue Pharma to plead guilty to 3 criminal charges

Members of P.A.I.N. (Prescription Addiction Intervention Now) and Truth Pharm staged a rally and die-in last year outside New Yorks Southern District Federal Court in White Plains, where Purdue Pharmaceuticals' bankruptcy hearing was being held. Photo: Erik McGregor/LightRocket via Getty Images

Purdue Pharma, the maker of OxyContin, will plead guilty to three federal criminal charges Wednesday as part of a more than $8 billion settlement with the Justice Department, AP reports.

Why it matters: "The settlement is the highest-profile display yet of the federal government seeking to hold a major drugmaker responsible for an opioid addiction and overdose crisis linked to more than 470,000 deaths in the country since 2000," AP notes.

Ben Geman, author of Generate
2 hours ago - Economy & Business

GM dives full-throttle into electric

GMC Hummer EV. Photo courtesy of General Motors

What has LeBron James as a pitchman, some slightly awkward promotional phrasing ("watts to freedom"), and a six-figure starting price? The electric GMC Hummer.

Driving the news: General Motors unveiled the vehicle — a reborn version of the deceased mega-guzzler — with a highly produced rollout Tuesday night that included a World Series spot. The company also began taking reservations.

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