Obama endorses Feinstein amid challenge from left
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Former President Obama is endorsing Sen. Dianne FeinsteinDianne Emiel FeinsteinThis week: Democrats, White House set for infrastructure, budget talks Senate confirms Rosen for No. 2 spot at DOJ Senate confirms controversial 9th Circuit pick without blue slips MORE (D-Calif.) as she faces a prominent Democratic challenger. 

Obama said in a Friday statement that he was giving his "strong endorsement" and calling Feinstein "one of America's most effective champions for progress to the Senate.”  
"She’s always been an indispensable leader for California, and we became dear friends and partners in the fight to guarantee affordable healthcare and economic opportunity for everybody; to protect our planet from climate change, and our kids from gun violence," he added. 

Feinstein's reelection campaign blasted out the announcement on Friday, noting the two had worked on "shared priorities" when Obama was a senator and during his administration. 
She failed to secure the California Democratic Party’s endorsement earlier this year, winning 37 percent of delegates' votes compared to the 54 percent captured by state Senate leader Kevin de León (D). A candidate must win 60 percent of the vote to secure an endorsement. 
Feinstein heaped praise on Obama on Friday, calling him a "singular president" with a "remarkable legacy" and pledged to "carry his torch forward." 
"It means a great deal to me to receive President Obama’s endorsement, and I’m thankful and honored for his trust," she said.

In a shot at Trump, Feinstein added that Obama "had the grace, wisdom and even-handedness that we quickly came to expect from a president — and that we’re now so sorely disappointed by its absence."
Obama's endorsement comes after former Vice President Joe BidenJoe BidenThe Hill's Morning Report - Pelosi remains firm despite new impeachment push Democrats sense new momentum in Trump tax return fight Chimamanda Ngozi Adichie becomes first African to deliver Yale graduation speech MORE threw his support behind Feinstein in March. She's also been endorsed by House Democratic Leader Nancy PelosiNancy Patricia D'Alesandro PelosiTrump rips Dems' demands, impeachment talk: 'Witch Hunt continues!' The Hill's Morning Report - Pelosi remains firm despite new impeachment push The Memo: Trump allies see impeachment push backfiring on Democrats MORE (Calif.) and Sen. Kamala HarrisKamala Devi HarrisThe Hill's Morning Report - Pelosi remains firm despite new impeachment push Biden says Congress must move to protect abortion rights Harris seeks Iowa edge with army of volunteers MORE (D-Calif.), who is considered a potential 2020 White House contender. 
Early and absentee voting for the race is scheduled to start on Monday. The primary is on June 5.