“No voter wants to believe he doesn’t really matter, so he buys into the idea that there are two substantively different parties frantically competing for his attention, the ideological fate of the country hanging on his decision every few years. It flatters the average citizen to think that way. The reality is that the dominant characteristic of our political system is the unchanging nature of the political consensus—while the two parties agree about most all of the important things, they disagree violently about the inconsequential stuff, providing the fodder and the drama for an endless political “struggle” that plays itself out in entertaining fashion every couple of years.”