“But you’ve said you’re engaging in prayer, which is the offence.” Statements of prodigious historical significance are often uttered by insignificant people. That remark made by a West Midlands policeman, as he arrested Isabel Vaughan-Spruce, a pro-life campaigner, in Birmingham last Monday for praying silently near an abortion clinic, has already been watched on video by almost a million people, appalled to discover that Thoughtcrime is now officially an offence in Britain.