Americans are aware that their political class may not always act in their best interest. This belief is enshrined in the American character, its laws, and the very philosophy underpinning the U.S. Constitution. The Founding Fathers crafted things so that the "knaves" will be forced to abide by the will of the people, but they warned that their "natural progress" is to find ways to remain in power and increase that power at the people’s expense. They therefore also urged eternal vigilance, spiritedness, and the occasional revolt of the people. Thomas Jefferson, James Madison and others got it right—the knaves...