Perhaps the most important thing to note about the Aug. 13 primary ballot is what isn’t on it. There are no city of Duluth or Duluth School Board races in this election cycle. There are several state, county and judicial offices that have no primary, so those candidates go straight to the general election on Nov. 5. And there is nothing on the primary ballot related to the U.S. Presidency because that is up to party delegates to determine. …