What to do if you find yourself marooned at your Thanksgiving meal, facing a voluble uncle who is spewing political ideas you find abominable? Our guest today is overstuffed (see what I did there?) with practical ideas. I first met Bill Doherty several years ago, when I was doing a story for Nightline about a group called Braver Angels. The group was formed in the aftermath of the 2016 election, with the idea of bringing reds and blues together to create some mutual understanding and trust. As I watched the man moderating these seemingly incredibly successful discussions (ie no shouting, no...