|Rumsfeld, one of the key architects of the Iraq War, provoked both fury and adulation from the divided American public. Rather than conducting a conventional interview, Morris has Rumsfeld expound on his memos and their meanings. These memos provide a window onto history—not history as it happened, but history as Rumsfeld wants us to see it. Morris makes plain that Rumsfeld’s memos or “snowflakes”—whether intended to elucidate, rationalize, obfuscate, or control history—are contradicted by the facts. THE UNKNOWN KNOWN partially illuminates the mystery of Donald Rumsfeld, himself an unknown known.