It’s unlikely that even Republican Mitt Romney’s immediate family members think he’ll win California. But a Public Policy Institute of California survey released last week shows that while Obama holds a 12-point lead among likely California voters, 70 percent of Republican voters in the state were more enthusiastic than usual about voting – a greater proportion than the 61 percent of Democrats who were more enthused.

For liberals, part of the problem is that neither of the presidential campaigns is active in California, conceding the state to Obama. That means liberals have little to do other than reinforce each other’s fears about the voting predilections of a voting species seldom seen in the Bay Area – non-Democrats.

“We’re seeing these polls and reading about all these ads, and hearing about all of these undecided voters that are in other states, but we feel that we can’t do anything about it,” said Pat Reilly, a longtime press spokeswoman for national and California organizations and politicians who lives in Berkeley. “You feel like you’re part of a fight, but you can’t see your opponent.” …

Only one person has been able to calm these and many other nervous Democrats: Pollster Nate Silver, creator of the New York Times’ FiveThirtyEight blog. Many anxious liberals check him daily. At least.