Dirty tricks: Then and now

Students of the Watergate era (or those old enough to have lived through it) will recall the “dirty tricks” played by Richard Nixon’s henchmen, most notably Donald Segretti. Mr. Segretti, who was hired by Nixon’s deputy assistant, Dwight Chapin, was tasked with smearing Democrats, including 1972 presidential candidate Sen. Edmund Muskie of Maine. Among several “tricks,”…