The future of gambling in San Pablo took a hit Wednesday when a bill that would stop an Indian tribe from operating gaming machines in this city handily passed a U.S. Senate committee in Washington. The vote by the Senate Indian Affairs Committee on the bill, sponsored by Sen. Dianne Feinstein, D.-Calif., was 10-3. Some East Bay lawmakers said Tuesday's vote shows that Indian gaming's spread into urban areas through "reservation-shopping" thwarts the public will. But San Pablo officials, who count on electronic bingo to pump an extra $3.95 million into city coffers next fiscal year, denounced the bill as...