介绍： The tone of American politics can be...nasty. It doesn't take a seasoned political analyst to see that. But is this nastiness really worse than in previous eras, and if so, what does that mean for our democracy?

Historian David Moss takes the long view. He argues that our political systems are much more resi...

介绍： The tone of American politics can be...nasty. It doesn't take a seasoned political analyst to see that. But is this nastiness really worse than in previous eras, and if so, what does that mean for our democracy?

Historian David Moss takes the long view. He argues that our political systems are much more resilient than we realize, and that conflict, however bitter it may seem, can be productive.

In his new book, Democracy: A Case Study, Moss points out that there have been many moments in our history when panicked Americans wondered if the nation would survive. And yet, the United States is still here.

Furthermore, Moss says, many of the most intractable conflicts have resulted in innovations and compromises that still impact the way our government works today.

This week on Hidden Brain, history and the lessons it holds for our modern political conflicts.