The New England Regional Council has gotten a winter outlook update from the region's electric grid operator.  ISO New England President Gordon Van Welie says if there's a prolonged cold snap, they may have to shut off the power.  Danbury state Representative David Arconti, chair of the legislature's Energy Committe, says hoping for a mild winter isn't enough.  He says "luck" is not an answer and "should be ok" is not an answer.  Arconti added that there didn't seem to be a solution from ISO New England to prepare for a worst case scenario and is looking into preventative measures or leverage the state has on this issue.