The English, among other talents, are adept at nurturing their grudges. How else does one explain the enduring enmity toward Guy Fawkes, a conspirator in a plot to blow up Parliament in 1605? Some four centuries after Fawkes was caught, tortured and executed for his role in a scheme that never came to fruition, Britons still celebrate his demise each Nov. 5 by burning his likeness in effigy and setting fireworks ablaze.