Democrat Katie Porter unseats GOP's Mimi Walters

Democrat Katie Porter unseats GOP's Mimi Walters
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Democrat Katie Porter unseated incumbent Rep. Mimi WaltersMarian (Mimi) Elaine WaltersRyan casts doubt on 'bizarre' California election results Election Countdown: Abrams ends fight in Georgia governor's race | Latest on Florida recount | Booker, Harris head to campaign in Mississippi Senate runoff | Why the tax law failed to save the GOP majority Warren congratulates former student and researcher on election to Congress MORE (R-Calif.), marking the first time Democrats have won the inland Orange County district since its creation in 1983. 

The Associated Press called the race on Thursday, nine days after Election Day. Porter's victory represented the fifth GOP seat that Democrats flipped in the 2018 midterms, an devastating blow to the new Republican leader, California Rep. Kevin McCarthyKevin Owen McCarthyGOP struggles to find right Republican for Rules Veteran Capitol Hill aide Parker Poling to serve as next NRCC executive director ‘Wake up, dudes’ — gender gap confounds GOP women MORE

Walters, a former Laguna Niguel mayor and state lawmaker, had aligned herself with the unpopular President TrumpDonald John TrumpCorsi sues Mueller for alleged leaks and illegal surveillance Comey: Trump 'certainly close' to being unindicted co-conspirator Trump pushes back on reports that Ayers was first pick for chief of staff MORE this past election cycle. She was one of a handful of vulnerable Republicans who voted for and defended both Trump’s Obamacare repeal bill and his tax cuts law.

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Porter, a consumer-protection attorney, seized on Walters’s unapologetic support of the Trump agenda, running ads that said her GOP opponent voted with the president 98 percent of the time. 

That strategy appeared to work in a district that has become bluer and more diverse in recent years as Hispanic and Asian populations continue to grow in Orange County. Although Republicans have a slight voter-registration advantage in California’s 45th district, Democratic presidential nominee Hillary ClintonHillary Diane Rodham ClintonSantorum: Dems have a chance in 2020 if they pick someone ‘unexpected’ Trump should heed a 1974 warning penned by Bush NRCC breach exposes gaps 2 years after Russia hacks MORE beat then-candidate Donald Trump there by 5 percentage points in 2016.

Walters’s defeat puts an end to her leadership ambitions. The two-term lawmaker had served as the freshman and sophomore class’s liaison to Speaker Paul RyanPaul Davis RyanJohn Kelly’s exit raises concerns about White House future Election hacking will come to a ‘breaking point,’ says Dem strategist Webb: GOP must play prevent defense MORE’s (R) leadership team. She’s also a deputy chairwoman at the National Congressional Campaign Committee, the GOP’s campaign arm, and was seen as a possible successor to current NRCC Chairman Steve StiversSteven (Steve) Ernst StiversGOP lawmakers say party isn't trying to learn from midterm losses New House GOP campaign chairman lays out challenges for 2020 Democrat Katie Porter unseats GOP's Mimi Walters MORE (R-Ohio).