What's it like to be the Broncos' feature twirler? Claire Warner says her role combines the camaraderie of the marching band with the freedom of choosing her own costumes and routine. But twirling also has its challenges. “You have an entire stadium of a million things happening around you,” she explained, “but you have to be focusing on what you're doing. You can’t disengage for half a second.” Luckily, Warner has over a decade of baton twirling training behind her. At just five