Here’s what’s going to make the D6 race so interesting as RCV plays out: The second-place votes of all the minor candidates won’t be enough to put either Walker or Kim over the top. The final decision about which progressive will be supervisor is going to come down to the second-place votes of a candidate who was seen by progressives as the one to beat: Theresa Sparks. Who were the Sparks voters — and how will they allote their second-place votes? I don’t think anyone knows for sure — but that’s what will determine the next D6 supervisor.