In the legal process, when ‘settled law’ is shown as bad law, it gets changed.
As the hysterics rage over the Kavanaugh Senate hearings, those with a vested interest in keeping the Roe-v-Wade abortion law in place hype the ‘settled law’ concept, but…
…at one time long ago, slavery was ‘settled law’…
…and men-only voting was ‘settled law’…
…which begs the question.