Democrats are feeling their oats this month, enjoying a sense they are unstoppable because they now enjoy one-party rule in Sacramento, including two-thirds majorities in both houses of the Legislature and a Democrat securely in the governor’s office, looking like a lock for re-election if he chooses to run in 2014.  But as they contemplate restoring some programs they’ve reluctantly helped cut over the last four years of deep budget deficits, they should not lose sight of the rare opportunity their majorities give them to make California politics the most transparent in the nation. One thing they will do if …