I thought the cleverest part of her routine was the crack about George always being in bed by nine o'clock, and that "If you really want to end tyranny in the world you're going to have to stay up later."
Which was really a clever way of pointing out to everybody how serious and hardworking he is. As a conservative, I appreciate the fact he is on the job at 6:30 in the Oval Office looking for ways to cut taxes and make our country safer, etc. Just the opposite of our former playboy president who didn't take his job seriously.
Yours is a very astute observation. The whole point of her routine, I think, was actually to poke subtle fun at the media. I think her husband was in on the joke before they ever arrived at the banquet.