FEW THINGS get Donald Trump more excited than talking about transgender issues. As he delivers his closing argument to America, barely a speech or ad goes by without a mention of “illegal aliens” getting “taxpayer-funded surgery” or biological males competing in women’s sports. Most of it is inflammatory and hateful. Some of it is clearly untrue, such as his claims that children are returning from school with sex changes, or his running-mate, J.D. Vance, suggesting this week that teens are “becoming trans” to get into Ivy League colleges. But some of it is not.

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