by Nick Reeves © Agence France-Presse GANGNEUNG, South Korea (AFP) — Japan’s  Yuzuru Hanyu took a giant step towards retaining his Olympic figure skating title with a flawless short program on Friday as arch-rival Nathan Chen’s challenge came disastrously unstuck. The Japanese star showed no ill effects from the right ankle injury that sidelined him for three months as he surged into a four-point lead with a score of 111.68. Six-time European champion Javier Fernandez of Spain […]