LOS ANGELES - One leading Republican strategist calls the race for governor here "a boxing match with [Democratic Gov.] Gray Davis in one corner hitting himself in the face, while in the other corner a pair of gloves languishes unused." A second says California Democrats this November could pull off the first, all-partisan sweep of the state's top seven elected offices in more than half a century. A third calls the Republican predicament statewide here "the most dire in recent memory." Reflecting a steady demographic shift in race, ethnicity, and income, the state that created the prototypical Republican enclave, Orange...