LOS ANGELES, Oct. 8 — Arnold Schwarzenegger pulled together a vast coalition of dissatisfied voters from across all demographic groups in California's recall election on Tuesday, winning among all age groups and, perhaps most ominously for Democrats, appearing to make inroads into their traditional base, surveys show. In a major sign of voter unrest in this Democratic bastion, one-quarter of the people who identified themselves as Democrats voted to recall Gov. Gray Davis, a Democrat, and 18 percent voted for Mr. Schwarzenegger, a Republican. Mr. Schwarzenegger also won 31 percent of Hispanic voters and 17 percent of black voters, doing...