Opinion Antisemitic graffiti on a wall in the East London borough of Tower Hamlets. The (((triple brackets))) are an online code to identify people as Jewish, originally used by far-right extremists. Photo: courtesy of CST Recent news reports from the United Kingdom are heralding the reinvigoration of a prison unit specifically designed for terrorists. Officials hope that, by creating a specialized prison-within-a-prison, they can reduce the threat of radicalization among the general prison population. The prison, which is referred to as a “Separation Centre,” will attempt to isolate inmates and control their communications. The threat posed by incarcerated terrorists goes...