“I don’t think Republican voters are even cognizant that this is coming, because it’s just never happened before,” said Matt Shupe, a Republican political consultant. California Republican Party officials intentionally made the change many cycles ago to open up a statewide formula that had helped catapult favorite son Ronald Reagan into the White House. California Republicans have resoundingly supported Trump, voting for him in record numbers. Supporting him was a prerequisite for leadership in the state party. Gerald Marcil, a fixture of the California Republican donor circuit, said he admired Trump’s record and voted for his re-election.