With the northern lights dancing above, we talked to Iditarod leader Brent Sass as he danced through the Ruby checkpoint and onto the Yukon River, skipping a gourmet five-course meal in favor of more comfortable cold temperatures for his dogs. We'll also hear more from Sass and his fellow competitors on their 24-hour layover earlier, and from the back of the pack, a trio of women, who banded together in a snow storm. Plus we have a dog profile and THREE listeners asking the same question, with an answer straight from the musher in question and a separate listener... answer?