Who knew? Turns out virginity pledges may not be as counterproductive as previously believed, IF we consider such survey results reliable. But no matter who’s pledging what and for how long, here — in the report from USA Today — is the kicker, from the study’s lead author, psychologist Steven Martino of Pittsburgh: “[T]hat’s not to say virginity pledges should substitute for comprehensive sex education, because a majority of teens do have sex…even among teens who take virginity pledges.”