By the time they leave elementary school, children should be able to “define sexual orientation,” and by the eighth grade be able to “define emergency contraception and its use,” according to a report containing controversial new recommendations for sex education in U.S. public schools. “Ideally, comprehensive sexuality education should start in kindergarten and continue through 12th grade,” says the “National Sexuality Education Standards” report, drawn up by a range of advocates, academics and public education officials. The Future of Sex Education (FoSE), an initiative started by sex education advocates, developed the standards “to create a strategic plan for sexuality education...