In 1982, at the age of 25, Barbara Buchan was competing for a spot on the U.S. cycling team when a horrific accident shattered her skull and left her in a coma for two months. Doctors didn't think she would survive, and even when she woke up they said she may never speak or walk again. But Buchan struggled through six… » 9/11/08 6:15pm 9/11/08 6:15pm