By Hollywood standards, Johnny Cash's $50,000 ranch house, the single Cadillac and the li'l old Ford Thunderbird are unspectacular. But by anybody's standards, the Cash household is unhinged.
Around the swimming pool, by day, a trio of little girls (ages 3½, 2½, and ½ raise continual riot. A yellow parrot named Jethroe screeches, whistles and squawks "There's a girl" whenever Mamma glides past in skintight velvet pants. A hefty brother-in-law lounges around listening to a recording of rock 'n' roll music that he composes himself. Through it all, Johnny Cash, head of...