National The golden rule of dog sledding? Don't let go of the sled 7:36am February 16, 2023 by Catharine Richert Share URL copied to clipboard! Play Pause There was an error loading the media player. Copyright 2023 MPR News. To see more, visit MPR News. 300x250 Ad More Morning Edition Russian troops press toward Ukraine's second largest city, Kharkiv Education Marie Fowler, 83, becomes Howard University's oldest doctoral graduate 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate