Even as Californians head to the polls to decide Tuesday whether cities will need two-thirds voter approval to get into the public power business, San Francisco's Public Utilities Commission is scrambling to unveil its own green energy proposal. Commission staffers are trying to work out a deal by Tuesday with Power Choice LLC, the consortium the PUC selected to deliver green power. Even if they succeed, one thing is becoming clear, those close to the talks tell us - customers will be paying considerably more than what they fork over now to PG&E. The Board of Supervisors has threatened to...