The way Donald Trump talks about the problems of black Americans as a kind of separate group who are not part of his audience but he's kind of reaching over his audience or behind his audience to black Americans, saying what have you got to lose? As in you might as well join me because the Democrats haven't done anything for you. But joining me means joining this group that already supports me.

In a sense, whites who were always sort of the unthinking majority who didn't think of themselves necessarily as one among many interest groups but is simply the dominant group, now as whites become - are close to becoming a minority of Americans, are becoming a political interest group. And that's what Donald Trump is playing to. And it's a really dangerous, volatile game.

I would caution anyone who thinks the solution is to get out to realize that Iraq will be our problem, whether we're there or not, for years to come. It will not be Vietnam; it will not let us go home and lick our wounds.

Ideology knows the answer before the question has been asked. Principles are something different: a set of values that have to be adapted to circumstances but not compromised away.

It used to be that the working class, broadly speaking - Americans who worked with their hands, who worked in factories, who were not in management - were an interest group, a political interest group. And their main spokespersons were the Democrats. Their platform was the Democratic Party. And that began to change after the 1960s. Not for black or other working class Americans, but for white working class.

We have all the information in the universe at our fingertips, while our most basic problems go unsolved year after year...All around, we see dazzling technological change, but no progress.

Inequality provokes a generalized anger that finds targets where it can--immigrants, foreign countries, American elites, government in all forms--and it rewards demagogues while discrediting reformers.