Olema resident Dennis Rodoni will serve his third term as District Four Supervisor after dominating his opponent, Francis Drouillard—a Republican candidate and engineer from Novato—in the election on Tuesday. According to the county registrar, roughly 1,340 votes had been counted from unincorporated Marin by Wednesday morning, and Mr. Rodoni clinched 75.6 percent of them. Updates will be posted in the coming days as ballots continue to be tallied.  “Today voters in District 4 reaffirmed that…