Updated Saturday, 9 p.m.
The California Democratic Party’s executive board voted Saturday night to endorse state Sen. Kevin de León for U.S. Senate over Sen. Dianne Feinstein. De León received 65 percent of the vote, compared to just 7 percent for Feinstein. An endorsement required 60 percent.
"Today’s vote is a clear-eyed rejection of politics as usual in Washington, D.C.," said de León in a statement after the vote. "We have presented Californians with the first real alternative to the worn-out Washington playbook in a quarter-century. As the California Democratic Party’s endorsed candidate, I renew my call for a debate."
Twenty-eight percent of board members voted to offer no endorsement, which is what Feinstein had urged them to do throughout the day, as a show of "party unity."
The endorsement is a boost to de León's challenge of Feinstein and an increase in support from the party’s convention in February, where he received 54 percent of delegate votes, compared to 37 percent for Feinstein.