A Republican is starting to break through in California’s governor’s race while Democrats remain stuck in a money scramble. New finance reports show one GOP candidate pulling in more cash than most Democrats, even as party leaders warn donors are spread too thin. Some Democratic campaigns are raising less than expected, fueling worries about voter confusion and a lack of urgency. With the primary just months away, strategists say weak fundraising could open the door for a Republican comeback in a state Democrats usually take for granted.