Sarah Cronk’s voice breaks when she recalls fans at a 2008 Pleasant Valley High School football game roaring “Let’s go Sparkles, let’s go.” She was a cheerleader at the Bettendorf, Iowa, school ...

As Sarah Cronk linked arms with her cheer team and walked onto the field to perform under the Friday night lights, she couldn't help but think that moment could define the rest of her life — and it ...