New York CNN — Far-left woke mobs ravaging the country. Hordes of illegal immigrants invading the southern border. Gender ideology warping young minds in schools. Sinister globalists plotting in the shadows. These are the toxic themes espoused in right-wing media, delivered each day through a mix of internet pipelines and broadcasts to millions of homes across the country. They are also the perturbed views of a 32-year-old man who police say decapitated his father, a federal employee, and then uploaded a highly disturbing video to YouTube showcasing the grisly murder while spewing a toxic potpourri of conspiratorial grievances. It’s part...