Cologna, Oestberg win cross-country Tour de Ski races
LENZERHEIDE, Switzerland — Three-time Olympic champion Dario Cologna won his first cross-country ski World Cup race on home snow in Switzerland on Sunday, and rose to second place in the Tour de Ski standings. Cologna was just 0.6 seconds faster than Alexey Poltoranin of Kazakhstan in a 15-kilometer classic event. Third-place Martin Johnsrud Sundby of