SAN DIEGO—The city of San Diego swore in its 74th city council Dec. 12, bringing about an entirely Democrat council for the first time in its history. Outgoing Councilman Chris Cate, who was the only Republican on the ostensibly nonpartisan council, thanked his family, staff, and colleagues in his departing remarks—even though he sometimes disagreed…

SAN DIEGO—The city swore in its 74th city council Dec.12, making the officially nonpartisan board unofficially all-Democratic for the first time in history. Outgoing Councilman Chris Cate, who was the only Republican on the ostensibly nonpartisan council, thanked his family, staff, and colleagues in his departing remarks—even though he sometimes disagreed ideologically with the latter….