For every good reason, no one wants to think about people like Robert Torres and David Oakley making children. Torres, a 20-year-old Texan, was sentenced in 1999 for having sex with a 13-year-old girl. This year, at a parole-violation hearing, he admitted impregnating two other teens. ("I make mistakes," he said.) Wisconsinite Oakley, 34, has a 15-year rap sheet that includes theft and witness intimidation. In the meantime, he has sired nine children (one of whom he abused) by four women.
But there is a difference between being offended by someone's procreating and making it an offense. In April, Texas District...