Are you one of the millions of devoted fans who faithfully watch The Lawrence Welk Show at six o'clock on Saturday night? Then you surely remember Jack Imel, the tap-dancing marimba player who charmed the audience with his musical talent, comedic appeal, and handsome good looks. After a long and lively career in show business that began when he was just a small-town youngster from Portland, Indiana, Jack reluctantly decided it was probably time to...