San Francisco Chronicle: A Seattle company wants to build an unusual offshore power plant near San Francisco that would generate electricity by tapping the region’s potent wind and waves. There is, however, a catch. The plant’s proposed location lies between the Golden Gate and the Farallon Islands, smack in the midst of a marine sanctuary. The company’s president realizes this could be a problem. The project faces other high hurdles, including a messy government approval process and a brutal credit …