Racing downhill at nearly 60 miles an hour, Ski Jumpers Casey Larson and Nina Lussi launch themselves hundreds of feet into the air. We talk ski jumping, the upcoming Olympics, groundhog hazards and why ski jumpers always put their hands out the car window. Then, we countdown the Top 5 Winter Activities.Casey Larson and Nina Lussi: Learn more about your ad choices. Visit megaphone.fm/adchoices