Justice Sonia Sotomayor issued a highly unusual public apology to a colleague Wednesday, saying her criticism of Justice Brett Kavanaugh for his writing in an earlier immigration case was unfair. “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. “I regret my hurtful comments. I have apologized to my colleague.” Sotomayor’s statement followed remarks she made last week in Kansas in which she criticized Kavanaugh for his concurring opinion in a...