Norwegian musher takes lead in Iditarod as finish nears

Brent Sass heads down the Yukon River between Ruby and Galena, Alaska, Friday, March 13, 2020, during the Iditarod Trail Sled Dog Race. (Loren Holmes/Anchorage Daily News via AP)

Richie Diehl arrives in Ruby, Alaska, Friday morning, March 13, 2020, during the Iditarod Trail Sled Dog Race. (Loren Holmes/Anchorage Daily News via AP)

ANCHORAGE, Alaska — Deep snow is slowing down mushers in the Iditarod Trail Sled Dog Race, but the leader has a secret for dealing with the difficult conditions.