Peter Duffy

Any organization shrouded in secrecy casts a powerful spell over the imagination Entities as varied as the Mafia and the Central Intelligence Agency inspire fervid fantasies about their hidden powers that only sometimes accord with reality La Cosa Nostra decimated by decades of zealous prosecutio

Sarah Vowell whose idiosyncratic voice in both senses is familiar to listeners of National Public Radio rsquo s This American Life expended a considerable amount of effort trekking to places associated with events of national tragedynamely the murders of Presidents Lincoln Garfield and McKinle