Nine Alaskan huskies howl and hop as Jenny Greger, 16, steps onto her sled.She plants her feet and pulls a heavy metal hook out of the snow. The sled springs forward, and Greger and her team race into the woods.“They just love to run,” Jenny says. “The hardest thing to teach them is to stop. They want to keep going.”Read more here: http://www.bozemandailychronicle.com/news/sunday/article_761791e0-56d5-11e1-931c-0019bb2963f4.html