These days, people have to be careful about what they write in an email, whether it’s deleted or not, if they fear it could surface later in the wrong hands (and those wrong hands, it appears, could indeed be the government). Well, the prior-generation precursor of that was President Richard Nixon’s predilection for secretly recording his own Oval Office conversations – intended for posterity, but eventually becoming the petard on which he was hoist, so to (Shakespearean) speak, during the Watergate era. Listen, tonight, to the stark contrast between Nixon’s public and private comments during the Sixties and Seventies – when, in some instances, he contradicted his public statement by proving, among other things, that he was a crook.