How to save America with artificial intelligence

Political polarization is ripping America apart. References to a second American civil war – no matter how far-fetched – reveal a bitterly divided nation. Indeed, the Founding Fathers' worst nightmare is coming to pass. For all of its promise, technology bears much of the blame for fracturing America. For one, social media platforms create powerful "echo chambers" that feed us a nonstop diet of one-sided, hyper-partisan news and commentary.