Johannes Hoesflot Klaebo (1), of Norway, crosses the finish line first to win a gold during the 50-kilometer mass start cross-country skiing men’s competition at the 2026 Milan Cortina Winter Olympics in Lago, Italy, Saturday, Feb. 21, 2026. (Vincent Alban/The New York Times) By VICTOR MATHER If you want to win a lot of gold medals at an Olympics, you can be Johannes Klaebo, the cross-country skier who won all six of his events at the 2026 Milan Cortina Games. His latest was the gold Saturday...