Reigning women's world champion Kaori Sakamoto won the figure skating Challenge Cup on Sunday when Mai Mihara and Mana Kawabe joined her in the Japanese podium sweep.Top after Saturday's short program, the Beijing Olympics bronze medalist Sakamoto cruised to the title after also coming first in the free skate with 151.50 for a 228.35 total in the Netherlands."I managed to pull things together overall. The score was good too," said the 22-year-old after a morale-boosting win ahead of the worlds in March in Saitama."I can add a bit more points (through the grade of execution). Quality will be…READ FULL ARTICLE