Over the past few weeks, we've been exploring the psychology of partisanship, and how to effectively handle disagreements with those around us. This week, we conclude our US 2.0 series by turning to the past. We’ll explore how one of the most important leaders in American history — Abraham Lincoln — grappled with the pressing moral question of his time. When, if ever, is it worth compromising your own principles for the sake of greater progress?
