Nearly 21 years ago, Dennis Apple and his wife, Buelah, were thrust into a situation parents dread. Their son Denny had come down with mononucleosis. And as they recall, just before bed one night, Denny took his medicine and then talked about where he wanted to sleep.
At the time, Denny was 18; he had begun competing in triathlons near the family's home in Olathe, Kan., outside Kansas City.
