Is your spin class too young, too thin and too white?

After a few committed months of hot yoga at a studio in New York, Christina Rice had found her niche. So when the studio announced that it was offering teacher training, she signed right up.It was only when she arrived with her mat that she noticed something striking.There were 54 other women and men in the 10-week course, and not one of them looked like her. She was the lone African-American in the class."I did bond with some of the other students," says Rice. "But I did feel very isolated at t