Political Instability - A Predictive Model

Barbara walter's new book has generated an astonishing national debate about where we are as a country to day during a moment of extraordinary polarization. In the book, you advance this this quite controversial claim that the us. Is closer to civil war than many of us would like to think or believe. And i thought it would make sense to give you a chance to simply lay out what your argument is in broad terms and then we can dig into bits and pieces of it as we as we go along.