San Francisco must have taken a chapter out of Laer Pearce’s new book “Crazifornia.” The city’s new CleanPower SF plan garners subsidies from U.S. taxpayers for green-power purchases. Sounds crazy, doesn’t it? But you would have to be crazy not to shift your green power purchases onto U.S. taxpayers if laws provide for it. And what city wouldn’t want to do it if it could cover it up as part of their compliance with AB 32, the California Global Warming Solutions Act of 2006? San Francisco is “gaming the system,” just as Enron supposedly did in the 2001 state energy...