"[T]he dominant narrative puts Roe in line with cases protecting sexual expression, not personal liberty, and not self-defense. On the dominant understanding, Roe is on a string of beads with Griswold v. Connecticut, Eisenstadt v. Baird , and Lawrence, not with Lochner, and certainly not with Heller. What Roe does, along with Griswold, Eisenstadt, and Lawrence, is protect an individual’s right to have nonreproductive sex. What is stressed, on this story, is the consequence for sexual freedom to be garnered from the right to be free of the risk of pregnancy."