By Stephanie Apstein A two-time Olympic gold medalist, Canada’s John Morris mentored the mixed doubles pair ahead of the 2022 Games. But in Beijing, he’s now their opponent. BEIJING — The biggest Australia curling fan here wears Canada’s colors. His name is John Morris, and he is a two-time Olympic gold medalist who is trying to earn his third this month at the Ice Cube. But when he’s not pursuing his own goal, he’s celebrating Australia’s Tahli Gill and Dean Hewitt for achieving theirs. “I think it was really inspiring to see that young athletes with a dream to go to the Olympics, who had a l…
