If there's one thing to know about Professor Zambrano, it's that he has strong South Bay food opinions. Grant him jurisdiction over your taste buds for a day and let him take you and your friends on a taco tour. "With 49 taquerias to 74,000 residents, [Redwood City] might have the highest per-capita concentration of authentic taco stands in the state, if not the nation. To match la Ciudad de la Secoya, San Francisco would need 492 taco shops -- and San Jose would need 615.” It will be spec-taco-lar!