TOKYO: Caeleb Dressel powered to his fifth swimming gold medal of the Tokyo Olympics on Sunday as the United States won their duel in the pool with Australia, while Xander Schauffele claimed golf gold.Dressel dominated the men’s 50m freestyle final, setting a new Olympic record of 21.07sec, and then returned to help his team smash the world mark in the men’s 4x100m medley relay.The other undoubted star of the pool was Emma McKeon, who finished with four golds to become the first woman to...