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 WaltersGOP plots comeback in Orange County Crazy California an outlier? No, we are the canary in the coal mine Ryan casts doubt on 'bizarre' California election results 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 McCarthyThe Congressional Award — a beacon of hope  The case for congressional pay raises McConnell defends Trump amid backlash: 'He gets picked at every day' MORE

Walters, a former Laguna Niguel mayor and state lawmaker, had aligned herself with the unpopular President TrumpDonald John TrumpTrump says 'Failing New York Times' should be held 'fully accountable' over Russia report Trump says 'Failing New York Times' should be held 'fully accountable' over Russia report Trump tweets ICE will begin removing 'millions' of undocumented migrants 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 ClintonBroadway play 'Hillary and Clinton' closing early due to low ticket sales Broadway play 'Hillary and Clinton' closing early due to low ticket sales Facing challenge from Warren, Sanders touts strength against Trump 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 RyanIndiana GOP Rep. Brooks says she won't seek reelection Indiana GOP Rep. Brooks says she won't seek reelection Inside Biden's preparations for first debate 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 StiversLawmakers battle over HUD protections for homeless transgender people Lawmakers battle over HUD protections for homeless transgender people Lawmakers say major changes needed to expand access to affordable housing MORE (R-Ohio).