Ted Kennedy might have become president - Richard Nixon certainly thought the runt of the litter was going to be the Democrat nominee against him in 1972. But the Kennedys' dreams of a restoration of "Camelot" were shattered 50 years ago this week, as Teddy's mother's 1967 Delmont 88 Oldsmobile plunged off a small bridge on Chappaquiddick Island into a tidal pond, drowning Mary Jo Kopechne. Teddy killed the 28-year-old "girl," as he called her, and he was allowed to plead guilty to ... leaving the scene of an accident. Not vehicular homicide, or drunk driving, or reckless driving, or...