While complex global problems cry out for solutions devised with moral sensitivity and responsibility, a more common mentality tends to prevail, one that assumes those going the right way (“us”) are endangered by others (“them”) going the wrong way. Philosopher Steven Fesmire calls this approach “moral fundamentalism,” the idea that only we have access to the right diagnosis and prescription to our problems. Moral fundamentalism causes us to oversimplify, neglect broader context, take refuge in dogmatic absolutes, ignore possibilities for common ground, assume privileged access to the right way to proceed, and shut off honest inquiry. Moral fundamentalism--exacerbated by social media silos--also makes the worst of native impulses toward social bonding and antagonism. This depletes social capital and makes it impossible to debate and achieve superordinate goals, such as public health, justice, security, sustainability, peace, and democracy. Drawing from John Dewey's pluralistic and