Buried in the avalanche of rhetoric in this fall's mayoral race is one of the more interesting ideas to emerge from local politics in some time: harnessing tidal movements in San Francisco Bay to meet the city's electricity needs. Its champion is Board of Supervisors President Matt Gonzalez, a Green Party mayoral candidate who's not afraid to raise unorthodox concepts while his opponents jaw about filling potholes, fixing schools, and ginning up more jobs in the... More >>>