Donald Trump is a distraction from the fact that the mainstream media has pretended the GOP is a normal party with values just to the right. Now the country is paying the price.

Ten years ago, it was wildly controversial to talk about psychological differences between liberals and conservatives. Today, it's becoming hard not to.

American voters are almost as polarized as the lawmakers who represent them.

It wasn't long ago when Democrats and Republicans in Congress shared some ideological overlap.

Research finds that the wealthy tend to believe in "class essentialism" and are more likely to endorse retributive forms of punishment over restorative justice.

Bill talks with author Sam Tanenhaus about his contention that true conservatism is dead.