“Who’d want to shag that?!” This was a real question that Laurence Fox asked on British TV in late September. It might also be his last. The right-wing political activist and professional controversy stoker was appearing on GB News—a TV channel that was launched in the U.K. in 2021 with the aim of taking on “woke” establishment media. On Sept. 26, Fox was talking to host Dan Wootton on his flagship evening show. As he finished a rant about British journalist Ava Evans, describing her as “pathetic” and “embarrassing,” he launched into insisting that no self-respecting man—who wasn’t a “cucked...