Controversy over an executive order issued by Rick Perry in 2007 is following the Texas Governor on the presidential campaign trail. In New Hampshire on Saturday and in Iowa on Monday, Perry faced questions about his order to have girls entering the sixth grade in Texas vaccinated against the human papillomavirus, a common sexually transmitted disease and the cause of about 70 percent of all cervical cancer, according to the federal Center for Disease Control.

Girls would be exempt from the order only if a parent or guardian signed an affidavit claiming a "conscientious objection." The order, signed by the Governor on February 2, 2007, became the subject of sharp and widespread criticism and the Legislature promptly passed a law revoking it. According to the ABC News blog, "The Note," Perry was asked about the controversial order during a backyard reception for the candidate at the home of state Rep. Pamela Tucker in Greenland, New Hampshire.

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Governor Rick Perry (photo)