Us, Oct. 17 -- America's most significant threats in the next ten years will not come with a wide range of headlines or one-time catastrophic events. Instead, they will gradually accumulate right before our eyes, each appearing very manageable on its own, until they meet and cascade into a systemic crisis. Identifying these converging conditions and leveraging every resource available to manage them, including policy on immigration, is now absolutely necessary to maintain American power and prosperity.

The most nefarious of these threats may be called America's cognitive civil war. It is much deeper than partisan polarization that seems to consume cable news. What we are experiencing is the deliberate degradation of consistent ways to as...