From Incels, anti Vaxxers to Neo-Nazis. Once, these groups belonged on the fringes of the political spectrum. Today, accelerated by a pandemic, global conflict and rapid technological change, their ideas are becoming more widespread: QAnon proponents run for U.S. Congress, neo-fascists win elections in Europe, and celebrity influencers like Kanye West spread dangerous myths to millions. A dispatch from the darkest front of the culture wars, and a vital wake-up call.