Paul Williams remains one of America's best recognized all-purpose celebrities in the '70s and '80s -- while plenty of folks are aware that he was a songwriter, vocalist, and instrumentalist, he also acted in movies and television, was a frequent guest on leading talk shows (he appeared on The Tonight Show with Johnny Carson over a dozen times), competed on game shows of all sorts, and was as likely to pop up in a Planet of the Apes sequel as he was to write a hit song. But if music was just one of Williams' career paths at the height of his fame, it proved to be the most endu...