Japan's three-time reigning world champion Kaori Sakamoto led after the women's short program Friday at Skate Canada International, the second event of the ISU Grand Prix series.Sakamoto scored 74.97 points in Halifax in her first series outing of the season and took a sizable lead over American Alysa Liu in second, the 2022 worlds bronze medalist who logged 67.68 on her return to competitive action after two seasons away.Related coverage:Figure skating: Wakaba Higuchi wins Skate America for 1st Grand Prix titleFigure skating: Yuzuru Hanyu to perform in earthquake charity eventREAD FULL ARTICLE