For example, the popular talk-show host Laura Schlesinger has declared, “I am getting people to stop doing wrong and start doing right.” As part of this crusade she has called on gay people to submit to therapy to change their sexual orientation, because homosexuality is a “biological error.” This kind of moral reasoning can come only from people who know nothing about biology. Most activities that moral people extol—being faithful to one’s spouse, turning the other cheek, treating every child as precious, loving thy neighbor as thyself—are “biological errors” and are utterly unnatural in the
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