The penultimate day of the ski championships in Liberec, Czech Republic was one of ebullient hope for the future of American skiing with the races and results from the young women’s performances in the 30 kilometer mass start skate. This day also demonstrated the heights nordic sports the U.S. is reaching with Billy Demong’s win in big hill, single jump 10 kilometer (a.k.a. the Gundersen HS134/10.0), capping off three individual nordic combined gold medals in...