Trying to Keep Your E-Mails Secret When the C.I.A. Chief Couldn’t (Published 2012)If David H. Petraeus couldn’t keep his affair from prying eyes as director of the Central Intelligence Agency, then how is the average American to keep a secret? In the past, a spymaster might have placed a flower pot with a red flag on his balcony or drawn a mark on page 20 of his mistress’s newspaper. Instead, Mr. Petraeus used Gmail. And he got caught. Granted, most people don’t have the Federa
