Mikaela Shiffrin took a big step towards another alpine skiing World Cup title with a rare downhill victory on a French piste were her boyfriend Alksander Aamodt Kilde had clinched the men’s discipline title two hours earlier on Wednesday. American star Shiffrin moved 156 points ahead of Slovak title holder Petra Vlhova with three races to spare and could clinch a fourth overall crown on Thursday when the super-g races are contested. Shiffrin and Kilde embraced and kissed shortly after she crossed the line on the same Courchevel course where the Norwegian had completed a speed event title doub…