IT was snowing in Maine on Jan. 9. I’d been to the dentist’s the day before. The staff there were pleasant enough when I changed genders 12 years ago. “We’ll just change your forms,” the receptionist had said, cheerfully. “It’s no problem.” That day, Papi Edwards, 20, a transgender woman of color, was shot to death outside a hotel in Louisville, Ky. If you’d told me in 2000, as a transgender woman just coming out, that I was a person of privilege, I’d have angrily lectured you about exactly how heavy the burden I’d been carrying was. It had nearly...