bSurprising and remarkable...Toggling between big ideas, technical details, and his personal intellectual journey, Greene writes a thesis suitable to both airplane reading and PhD seminars.--biThe Boston Globeibb p Our brains were designed for tribal life, for getting along with a select group of others Us and for fighting off everyone else Them. But modern times have forced the world's tribes into a shared space, resulting in epic clashes of values along with unprecedented opportunities. As the world shrinks, the moral lines that divide us become more salient and more puzzling. We fight over everything from tax codes to gay marriage to global warming, and we wonder where, if at all, we can find our common ground. p A grand synthesis of neuroscience, psychology, and philosophy, iMoral Tribesi reveals the underlying causes of modern conflict and lights the way forward. Greene compares the human brain to a dual-mode camera, with point-and-shoot automatic settings portrait, landscape as w