It’s zero degrees outside but that doesn’t keep Dallas Robinson from sweating. Steam rolls off his body and his heart pounds as he stands ready to push the bobsled into motion with his other teammates. He knows he could die. It’s happened to other athletes in the past. After all, he’s about to get on a sled that will reach up to 95 miles per hour and he’s wearing limited protective gear. He could be ejected. The sled could flip over. But all he’s thinking about is the push.