WASHINGTON — The Supreme Court on Monday rejected former Minneapolis police Officer Derek Chauvin‘s appeal of his conviction for second-degree murder in the killing of George Floyd.The justices did not comment in leaving in place state court rulings affirming Chauvin’s conviction and 22 1/2-year sentence.Chauvin’s lawyers argued that their client was denied a fair trial in 2021 because of pretrial publicity and concerns for violence in the event of an acquittal.Floyd, who was Black, died on May 25 …