Kaori Sakamoto delivered a commanding free skate performance Saturday to secure her second national championship and a berth at the 2022 Beijing Winter Olympics.Leading second-place Wakaba Higuchi by 4.57 points after Thursday's short program, the 21-year-old Sakamoto totaled a season-best 234.06 at Saitama Super Arena as she reclaimed the Japanese women's singles crown she first won in 2018.Sakamoto executed seven triple jumps -- including a triple flip-triple toe loop combination -- scoring 154.83 for her free routine and finishing the competition 12.28 clear of Higuchi.Mana Kawabe rounde…READ FULL ARTICLE