BOSTON—The U.S. Supreme Court cleared the way Saturday for the extradition of an American father and son wanted by Japan in the escape of former Nissan Motor Co. boss Carlos Ghosn. Justice Stephen Breyer denied a bid to put the extradition on hold to give Michael and Peter Taylor time to pursue an appeal in their case challenging the U.S. officials’ plans to hand them over to Japan. Michael Taylor, a U.S. Army Special Forces veteran, and his son are accused of helping Ghosn, who led the Japanese automaker for two decades, flee the country last year with Ghosn tucked away in a box on a private jet. The flight went first to Turkey, and then to Lebanon, where Ghosn has citizenship but which has no extradition treaty with Japan. Lawyers for the Taylors argue the men can’t legally be extradited and will be treated unfairly in Japan. Their lawyers …