Rank Choice Voting in the San Francisco Mayor's Race.

It is much tougher to anticipate how voters will rank candidates than some in the punditry would like us to believe.

Aaron Peskin’s entrance into the mayor’s race has thrown a left-handed monkey wrench into the plans of the tech-libertarian-populists movement in San Francisco. What looked like a three-way race between candidates who were all pretty amenable to that more conservative approach to governance, has been shaken up because of the presence in the race of a pr…