With lickety-split snow and a two-lap course lined with fans, Stage 2 of the Tour de Ski (TdS) in Lenzerheide, Switzerland, a 1.5-kilometer skate sprint, sent a few ripples through the field, but solidified Norway’s Johannes Høsflot Klæbo as the TdS front runner. Yesterday, Klæbo, in second place, ceded little time to two of his main rivals for the overall, Russians Sergey Ustiugov, who won Saturday’s mass start skate, and Alexander Bolshunov, who placed third....