San Francisco state Sen. Scott Wiener dominated early returns in the bitter showdown to replace retiring Rep. Nancy Pelosi in Congress, claiming victory in the primary contest. Wiener won 43.4% of votes in the first batch of returns posted Tuesday night — with Pelosi’s pick Connie Chan and lefty tech millionaire Saikat Chakrabarti trailing behind at 28.5% and 13.5%, respectively. “The people of San Francisco sent a very clear message … San Franciscans are ready for bold forward looking leadership, for real results,” Wiener said at an election night party near the Castro neighborhood. The top two vote getters will...