As the debate over Texas Gov. Rick Perry mandating the HPV vaccine continues between Republican presidential candidates, a woman whose endorsement is coveted by all them, South Carolina Gov. Nikki Haley, has her own complicated history on the issue. In 2007, shortly before Perry issued an executive order requiring that schoolgirls be vaccinated against the sexually transmitted human papillomavirus, or HPV, that causes most cervical cancers, Haley was throwing her support behind a similar bill in South Carolina. At the time she was in her second term as a state representative. State Rep. Joan Brady introduced the Cervical Cancer Prevention...