Alcibiades was one of the most dazzling figures of the Golden Age of Athens. A ward of Pericles and a friend of Socrates, he was spectacularly rich, bewitchingly handsome and charismatic, a skilled general, and a ruthless politician. He was also a serial traitor, infamous for his dizzying changes of loyalty in the Peloponnesian War. Nemesis tells the story of this extraordinary life and the turbulent world that Alcibiades set out to conquer. David...