House Republicans rally Trump voters in California primaries

House Republicans rally Trump voters in California primaries
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The House Republicans’ campaign arm has rolled out a series of digital ads designed to encourage voters aligned with President TrumpDonald John TrumpJimmy Carter: 'I hope there's an age limit' on presidency White House fires DHS general counsel: report Trump to cap California trip with visit to the border MORE in three key California primaries.

The National Republican Congressional Committee (NRCC) launched a six-figure ad buy last Friday, which will run through the June 5 primaries in GOP-held California districts represented by Rep. Dana RohrabacherDana Tyrone RohrabacherThe Hill's Morning Report - Trump, Biden go toe-to-toe in Iowa Ex-GOP lawmakers are face of marijuana blitz Former GOP Rep. Rohrabacher joins board of cannabis company MORE, as well as retiring Reps. Ed RoyceEdward (Ed) Randall RoyceMystery surrounds elusive sanctions on Russia Hillicon Valley: Lawmakers struggle to understand Facebook's Libra project | EU hits Amazon with antitrust probe | New cybersecurity concerns over census | Robocall, election security bills head to House floor | Privacy questions over FaceApp House panel advances bill to protect elections from foreign interference MORE and Darrell IssaDarrell Edward IssaThe Hill's Campaign Report: Democrats clash over future of party in heated debate Issa says he will run for Congress if not confirmed to trade post by Nov. 3 The Hill's Campaign Report: Pressure builds for Democrats who missed third debate cut MORE.

The digital ads, which are running on Facebook, Google and Pandora, urge voters to go to the polls on election day or return their mail ballots. The ads are also targeting Korean and Mandarin-speaking Republicans. And the NRCC will launch a text messaging program as the election nears.

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It’s the NRCC’s final push before the Tuesday primaries in three districts that Hillary ClintonHillary Diane Rodham ClintonGOP struggles with retirement wave Overnight Energy: Trump to revoke California's tailpipe waiver | Democrats propose bill to revoke Trump endangered species rollback | Trump officials finalize rule allowing fewer inspectors at pork plants Mark Mellman: The most important moment in history? MORE won in the 2016 election. Democrats have been heavily targeting all three seats, but they’re on high alert over the potential that they'll get shut out of the general election thanks to the state’s unique election laws.

California pits all candidates, regardless of party, against one another in a single primary, with the top two vote-getters moving on to the general election. They fear the crowded Democratic fields will split up the vote and allow Republicans to take both election slots.

Meanwhile, Democrats have been furiously spending to ensure that their candidates get one of the slots in these three races.

The Democratic Congressional Campaign Committee has spent more than $3 million in all three California races. And Democratic groups House Majority PAC and Priorities USA Action have also poured in money, which has been spent mostly on attacking Republican candidates.