Seventeen-year-old Kao Miura became the youngest Four Continents Figure Skating Championships men's winner Saturday, breaking the record set by Beijing gold medalist Nathan Chen, and capping a successful day of competition for Japan.Riku Miura and Ryuichi Kihara earlier won the pairs competition, raising expectations of a breakthrough world title next month in Japan.In the men's free skate, former junior national champion Miura top-scored with 189.63 to total 281.53, good enough for a 5.96-point margin of victory over Canada's Keegan Messing. Japan's Shun Sato jumped three places from the s…READ FULL ARTICLE