Ernestine Shepherd, 76-year-old bodybuilder, on how and why she got fit

Ernestine Shepherd  is a 76-year-old bodybuilder and self-described former couch potato who started working out in her mid-50s and lifting weights at age 71. She chatted with Bob July 13 about her quest to remain fit and healthy as she ages, and her mission to inspire other women to do the same.