SACRAMENTO, Calif. —The effort to recall Gov. Gavin Newsom has yet to trigger an election, but California Republicans are already fighting about how they might endorse someone to replace him. California Republicans at an organizing convention this weekend will debate a change to party bylaws around candidate endorsement that has some delegates fuming it could diminish the power of grassroots activists in the recall. The amendment proposed by Sacramento GOP Chairwoman Betsy Mahan could allow the party's roughly 100-member executive committee to endorse a candidate in a recall election. That's a...