The charge that sex designations on a birth certificate is medically ill-advised stands contrary to even the most basic understanding of science.Many folks these days treat science not as a method for discovering truth, but as an undeniable, transcendent truth in and of itself. Yet these same folks fail to appreciate that some of the most dramatic and passionate attacks on science come from their compadres on the far left: gender theorists.A vivid demonstration of this fact has just been published in the New England Journal of Medicine, formerly one of the world’s most prestigious medical journals. In their December...