Kevin Kline is “Dave”, an unassuming fellow who is recruited by the Secret Service to double for the President of the USA whilst he goes for some extracurricular horizontal jogging. It’s a simple task. Turn up, smile, wave, don’t speak - then get in the car! Well that’s the theory, but when the actual president gets a bit too carried away with his activities, he ends up in a coma and “Dave” with a slightly longer booking in the Oval Office. It turns out that the First Couple aren’t especially close, so ambitiously ruthless Chief of Staff “Bob” (Frank Langella) decides that so long as he can ke...