On any other show, the script might have spelled disaster. There was the ambitious momma, dead set on getting daughter into show businessbut with enough maternal instinct left over to mother a stray coyote, a spinster tourist and a Mexican wetback with a guitar. There was also the expected, easygoing dad, a navy officer son-in-law sore at momma's machinations, and a happy ending. But somehow, on the U.S. Steel Hour (CBS) last week, the thin substance of The Pink Burro stiffened into a commendable show.
During its six years (146 shows) on TV, the Steel Hour (produced by the Theatre...