Three white supremacists planned to attack the country’s power grid in an attempt to incite a race war—and they were ready to die for their cause. According to their plea deals, the trio all wore “suicide necklaces” filled with fentanyl around their necks in case they were caught. One of the men, Jackson Sawall, 22, even ingested his capsule after being stopped by police, although he ultimately survived. Sawall and his co-conspirators, Christopher Cook, 20, and Jonathan Frost, 24, each pleaded guilty to one count of conspiring to use powerful assault rifles to destroy power transformers located in various regions...