AUSTIN — Gov. Rick Perry ordered today that schoolgirls in Texas must be vaccinated against the sexually transmitted virus that causes cervical cancer, making Texas the first state to require the shots. The girls will have to get Merck & Co.'s new vaccine against strains of the human papillomavirus, or HPV, that are responsible for most cases of cervical cancer. Merck is bankrolling efforts to pass laws in state legislatures across the country mandating it Gardasil vaccine for girls as young as 11 or 12. It doubled its lobbying budget in Texas and has funneled money through Women in Government,...