PASADENA – Charmaine Carnes had only been at Flairs, a Pasadena gymnastics club, a few months in 1978 when she was chosen to ride in the front seat of coach Doug Boger's car. Carnes beamed as she shut the car door, convinced that the ride with Boger, then 30, to a competition later that day was the first leg of a journey that would make her an Olympian. Instead, Carnes said, Boger took her and many of her Flairs teammates to a much darker place. A newspaper clipping featuring Doug Boger, right, with Flairs gymnast Denise Gallion. Gallion said Boger...