But the thought leaders on talk radio and Fox do more than shape opinion. Backed by their own wing of the book-publishing industry and supported by think tanks that increasingly function as public-relations agencies, conservatives have built a whole alternative knowledge system, with its own facts, its own history, its own laws of economics.

Elites are inevitable in politics. That is how politics is going to work. The question is, are your elites responsible, public-spirited? Do they think about the interests of others, not just themselves? And the story of Western politics since the beginning of the century is that as elites become more separated, more selfish, as they leave behind their populations and don't think about them, they become discredited. And the people look for alternatives. But the alternative is worse. Those rules of the game protect us all. And they are more precious than almost any political outcome.

Venezuela has gone from being a democratic country 15 years ago to being totally not a democracy today. Usually that de-democratization doesn't take the form of a heavy handed police state.

[In politics,] when there is no reason to speak, there is a reason not to speak.

The big winners under the American fiscal system are the rich, who pay some of the lowest taxes anywhere in the world; the old, who are the main beneficiaries of the American social service state; farmers, rural people. These are Republican constituencies.

Donald Trump, as a businessman, he's not much of a builder and he's not much of dealmaker and he certainly isn't very good at making expenses line up with income. But he is a marketing genius. He must have seen an empty market niche that no one but him filled.

The habit of going to your congressman's town hall and asking questions, that's powerful in a way that shouting slogans or getting arrested is not, that is completely counterproductive.