At the Democratic convention, Bill Clinton declaimed that the world is more impressed “by the power of America’s example than by the example of America’s power.”

At the Republican convention, Sarah Palin declared, “In politics, there are some candidates who use change to promote their careers. And then there are those, like John McCain, who use their careers to promote change.”

As the poet R.S. Gwynn remarks, “Ah, antimetabole—gets ‘em every time.”