ZAGREB, Croatia (AP) — Shortly after winning the first women's World Cup slalom of 2021 on Sunday, Petra Vlhova kneeled with her face down, torn between relief and disbelief.The Slovakian skier's win came five days after her four-year-long joint winning streak with Mikaela Shiffrin ended.In tough conditions due to fog and rain, the overall leader from Slovakia beat Katharina Liensberger of Austria by five-hundredths of a second.Shiffrin was 0.27 behind in fourth, forced to wait for her 100th career World Cup podium, a milestone reached by only four female skiers in the 54-year hist...