A well-known neo-Nazi vlogger who loved nothing more than to dress up as comic book villains and call for genocide quietly pleaded guilty to several gun charges Tuesday morning. Paul Miller, a 32-year-old Florida man, is better known by his audience of racists and online trolls as Gypsy Crusader. He had a sizable audience on sites like Bitchute and Telegram—sites well known for their lax rules about hate speech and violent rhetoric—where he would post racist remarks and call for violence. An FBI raid in March netted him three charges for possession of an unregistered firearm and ammunition and possession...