Conservatives insist that exposure to gender fluidity is transing our children. To which I say: I wish. — If you’ve paid any attention to the “debate” around trans rights in the United States, you’ve heard of “rapid-onset gender dysphoria” — or, as the real Nazis like to say, “grooming.” The idea, in brief, is that being trans is a “social contagion,” and that being around trans people, or…