 Complete the following phrase:  In February 1999, Kjus pulled off one of the most remarkable feats in the history of alpine skiing when he medaled in all 5 events at the 1999 World Championships in Vail, Colorado. Five skiers had previously earned four medals at a single World Championship through 1980, the Winter Olympics also served as World Championships for alpine skiing: Toni Sailer of Austria in 1956 at Cortina and in 1958 at 