WASHINGTON — Liberal Supreme Court Justice Sonia Sotomayor issued an unusual apology Wednesday for critical remarks she made about the upbringing of one of her conservative colleagues, Justice Brett Kavanaugh. “At a recent appearance at the University of Kansas School of Law, I referred to a disagreement with one of my colleagues in a prior case, but I made remarks that were inappropriate," Sotomayor said in a statement issued by the court. "I regret my hurtful comments. I have apologized to my