dailytelegraph.com.auAustralian Open of Surfing's sole crossover stardailytelegraph.com.auRemarkably, the 18-year-old is a pro surfer as well as pro skateboarder. While other surfers at the AOS can use their downtime to check out the skateboarding – and vice versa for skaters – David is juggling a busy schedule. Kalani David wins his heat ...