Scotland Votes on Independence

The BBC rounds up the final polls and explains why polling a “yes” or “no” question is not as easy as it seems.

Carl Bialik: “For the election junkies who want to watch results as they come in, I’ve put together a guide to how early Friday morning could unfold: when the 32 local councils can be expected to report their constituents’ vote counts, what percentage of the electorate each area represents, and which way voters from each area can be expected to lean.”