In our series, Profiles in Service, we spotlight Americans who dedicate their lives to helping others. First on "CBS This Morning," we met Sarah Zorn, the first woman to lead the Corps of Cadets at The Citadel. The South Carolina military college first allowed women to join the Corps in 1995 under federal court order. Women now make up about 9 percent of the undergraduate student body. Norah O'Donnell reports.
