"Justice Alito: But suppose we were considering that question now for the first time. I'm sure you know the arguments about the viability line as well as I do, probably better than I do. What would you say in defense of that line? What would you say to the argument that has been made many times by people who are pro-choice and pro-life that the line really doesn't make any sense, that it is, as Justice Blackmun himself described it, arbitrary? The -- the woman's -- if a woman wants to be free of the burdens of pregnancy, that interest does not disappear the moment the viability line is crossed. Isn't that right?"