Benedict Arnold, Brutus, and Iago?

Et tu, Brute? (Image: Jonathan Ernst, Reuters)

In a startling interview with CNN on July 28th, Rudy Giuliani compared Michael Cohen to three figures Giuliani identifies as “traitors”:  Benedict Arnold, Brutus, and Iago.

These were surely the first examples that came to Giuliani’s mind — common-knowledge figures, presumably, but an odd trio nonetheless. All have some connection to the military; two are real, one a canonical traitor; two are Shakespearean characters, one a conspirator and ass...