Agatha Christie’s murder mystery The Mousetrap is the longest running play in history. Its first run began in 1952, and it hasn’t stopped since. Another perennial whodunnit — “Who Murdered Political Science” — is mounting a strong challenge for the runner up. Regularly repeated performances haven’t stopped audiences from enjoying the traditional denouement, in which ...

In their essay “The End of Hypocrisy” (November/December 2013), Henry Farrell and Martha Finnemore argue that the biggest threat from leakers of classified information such as Chelsea Manning and Edward Snowden is that “they undermine Washington’s ability to act hypocritically and get away with it.” According to Farrell and Finnemore, the more than 750,000 diplomatic ...