After the Royal Canadian Air Force rescued stranded American teens from a wilderness wildfire, US politicians responded with tariff threats and sanctions bills. Here is an in-depth analysis of the growing cross-border rift and the moral failure of Washington’s response to Canadian wildfire smoke.

Researchers took breathalyzers into a New England bar — and what they found about alcohol, cognitive depletion, and political conservatism should change how we think about democracy. A deep dive into four peer-reviewed experiments on low-effort thinking and political ideology.

The Republican war on knowledge is not a collection of local grievances that happened to accumulate. It is a program — built on book bans, climate denial, and the systematic dismantling of the epistemic infrastructure democratic self-governance requires. Lucian Harrow traces the architecture of the assault, from …