Editorial: Wading into perilous waters: Conservatives on the Supreme Court look set to trash Roe v. Wade’s viability line — but what would they replace it with?

Not even the most strident defender of abortion rights would call the 1973 Roe v. Wade decision a model of elegant jurisprudence. But as six conservatives on the Supreme Court itch to strike it down — on the grounds that women’s bodily autonomy during pregnancy, at least until a fetus is thought to be viable outside the womb, is not rooted in any language of the Constitution — an inconvenient truth shouts back: They have no better dividing line to offer than viability.