SACRAMENTO - To jump-start spending for Arnold Schwarzenegger's 2006 re-election campaign, California Republican Party leaders will seek to endorse the governor this weekend even before he officially declares himself a candidate. The move prompted a prominent GOP activist to resign from the party's rules committee in protest Friday, calling it an ill-advised proposal that will hurt the governor's credibility with voters and discourage primary competition. The party should first let Republican voters in the June 2006 primary cast their ballots, said Dora Kingsley, a veteran member of the state party. "It doesn't meet the smell-test," she said. "It puts the...