In 1992, a case appeared before the US Supreme Court which some felt could reverse the decision in Roe v Wade made 20 years before. In that case – Planned Parenthood v Casey – it turned out that once the draft opinion had been written, one of the Supreme Court Justices, Anthony Kennedy, changed his mind. “That extraordinary switch by a conservative justice stunned anti-abortion forces and soured the internal atmosphere among the brethren as the court’s new term begins,” the Washington Post wrote at the time. One of the lawyers who argued that case was Kathryn Kolbert. Last November…