Why have only two Virginia localities adopted ranked-choice voting?

While many Virginians focused on this year’s congressional and presidential elections, Arlington County became the first locality in Virginia to use ranked-choice voting for city and county governing bodies in the general election Tuesday.

But three years after a law went into effect giving localities the option to adopt ranked-choice voting, only Arlington County and the city of Charlottesville have adopted the method common in college campus elections by students, and primary elections...