The Richard Tucker Music Foundation, which grants prestigious awards to young singers, removed David N. Tucker from its board of directors on Monday evening. Mr. Tucker, a son of the distinguished tenor for whom the foundation is named, was removed after an uproar over racially charged comments that he made on a Black singer’s Facebook page. “The Richard Tucker Music Foundation condemns the hurtful and offensive comments made by one of our board members, David Tucker,” Jeffrey Manocherian, the foundation’s chairman, and Barry Tucker, its president and another of Richard Tucker’s sons, said in a statement. On Saturday, Julia Bullock,...