It was a cold, solemn day on the Texas ranch. A biting, prairie wind was staved off with a thick, fur coat wrapped around an American music icon. Former President Lyndon B. Johnson had said before he died that at his burial he wanted the Rev. Billy Graham to pray and Anita Bryant to sing. Bryant, once Miss Oklahoma and a Miss America second runner-up, was known in 1973 as the vivacious spokeswoman for Florida orange juice and the Sunshine State. She nervously tried to get her voice ready to sing for a worldwide satellite television audience at the president’s...