Liberal activist Tom Steyer Tom SteyerTV ads favored Biden 2-1 in past month Inslee calls Biden climate plan 'perfect for the moment' OVERNIGHT ENERGY: Trump administration finalizes plan to open up Alaska wildlife refuge to drilling | California finalizes fuel efficiency deal with five automakers, undercutting Trump | Democrats use vulnerable GOP senators to get rare win on environment MORE's Need to Impeach campaign on Monday announced it will target 12 House districts in an effort to take aim at Democrats who do not yet support impeaching President Trump Donald John TrumpSteele Dossier sub-source was subject of FBI counterintelligence probe Pelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' Trump 'no longer angry' at Romney because of Supreme Court stance MORE.

Democratic presidential hopeful Rep. Eric Swalwell Eric Michael SwalwellSwalwell calls for creation of presidential crimes commission to investigate Trump when he leaves office 'This already exists': Democrats seize on potential Trump executive order on preexisting conditions Swalwell: Barr has taken Michael Cohen's job as Trump's fixer MORE (D-Calif.), House Majority Whip James Clyburn (D-S.C.) and House Oversight Committee Chairman Elijah Cummings Elijah Eugene CummingsBlack GOP candidate accuses Behar of wearing black face in heated interview Overnight Health Care: US won't join global coronavirus vaccine initiative | Federal panel lays out initial priorities for COVID-19 vaccine distribution | NIH panel: 'Insufficient data' to show treatment touted by Trump works House Oversight Democrats to subpoena AbbVie in drug pricing probe MORE (D-Md.) are among those whose districts will be targeted.

The other Democrats whose districts are on the list are Rep. Hakeem Jeffries Hakeem Sekou JeffriesDemocratic leaders: Supreme Court fight is about ObamaCare Pelosi: House will stay in session until agreement is reached on coronavirus relief Races heat up for House leadership posts MORE (D-N.Y.), Rep. Nita Lowey Nita Sue LoweyTop House Democrats call for watchdog probe into Pompeo's Jerusalem speech With Biden, advocates sense momentum for lifting abortion funding ban Progressives look to flex their muscle in next Congress after primary wins MORE (D-N.Y.), Rep. Ben Ray Luján (D-N.M.), Rep. Debbie Dingell Deborah (Debbie) Ann DingellOn The Money: Anxious Democrats push for vote on COVID-19 aid | Pelosi, Mnuchin ready to restart talks | Weekly jobless claims increase | Senate treads close to shutdown deadline Anxious Democrats amp up pressure for vote on COVID-19 aid Races heat up for House leadership posts MORE (D-Mich.), Rep. Debbie Mucarsel-Powell Debbie Mucarsel-PowellFlorida Democrat asks FBI to investigate anti-Semitic, racist disinformation Hispanic Caucus members embark on 'virtual bus tour' with Biden campaign Florida Democrat introduces bill to recognize Puerto Rico statehood referendum MORE (D-Fla.), Rep. Kathy Castor Katherine (Kathy) Anne CastorOVERNIGHT ENERGY: House passes sweeping clean energy bill | Pebble Mine CEO resigns over secretly recorded comments about government officials | Corporations roll out climate goals amid growing pressure to deliver OVERNIGHT ENERGY: Democrats push resolution to battle climate change, sluggish economy and racial injustice | Senators reach compromise on greenhouse gas amendment stalling energy bill | Trump courts Florida voters with offshore drilling moratorium Trump courts Florida voters with moratorium on offshore drilling MORE (D-Fla.), Rep. Lou Correa Jose (Lou) Luis CorreaCriminalization that never should have been: Cannabis Man arrested, charged with threatening to attack Muslims in Germany Gloves come off as Democrats fight for House seat in California MORE (D-Calif.), Rep. Mark Takano Mark Allan TakanoOvernight Defense: Nearly 500 former national security officials formally back Biden | 40 groups call on House panel to investigate Pentagon's use of coronavirus funds Congress missed the point when it came to helping veterans During Suicide Prevention Month, Trump needs to do more for troops' mental health MORE (D-Calif.), and Rep. Tony Cardenas Antonio (Tony) CardenasMORE (D-Calif.).

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The campaign, which said it will spend $360,000 in the first weeks of the initiative, plans to roll out a series of digital advertisements, billboards, events and outreach programs to local officials in the districts.

Though calls for impeachment have grown among some progressive Democrats, Speaker Nancy Pelosi Nancy PelosiPelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' On The Money: Anxious Democrats push for vote on COVID-19 aid | Pelosi, Mnuchin ready to restart talks | Weekly jobless claims increase | Senate treads close to shutdown deadline Trump signs largely symbolic pre-existing conditions order amid lawsuit MORE (D-Calif.) has sought to temper impeachment efforts, arguing it could backfire on the party heading into 2020.

Swalwell has not called for Trump's impeachment publicly but said last week that "we're ultimately ending up there," while Cummings said in April that impeachment proceedings against Trump were a possibility after the release of special counsel Robert Mueller Robert (Bob) MuellerCNN's Toobin warns McCabe is in 'perilous condition' with emboldened Trump CNN anchor rips Trump over Stone while evoking Clinton-Lynch tarmac meeting The Hill's 12:30 Report: New Hampshire fallout MORE's report on the Russia probe.

Clyburn said earlier this month that he believed Trump would be impeached "at some point" but later walked back the remarks, saying he was "probably farther away from impeachment than anybody in our caucus."

The focus on impeachment among some Democrats comes as Mueller effectively punted the issue to Congress, saying charging Trump with obstruction of justice was "not an option" for him during his 22-month investigation.