From watching “Game Change,” this much is clear: (1) Steve Schmidt is an absolutely brilliant campaign strategist who gave Sen. John McCain the idea to put “Country First” (it had never occurred to the war hero); and (2) Nicolle Wallace is a demure, yet quietly ingenious, media savant who can handle any crisis. Oh, but wait: Mr. Schmidt ran one of the worst campaigns in the history of presidential elections, losing to a first-term senator from Illinois with no experience governing anything, and Ms. Wallace let the entire message of the McCain campaign be overrun by — “Saturday Night Live”?...