British multiculturalism has failed

LONDON — Now we know what globalizing the intifada looks like. In Manchester last week, a rabbi addressed his congregation in a robe stained with blood. Hours earlier, on Yom Kippur, Judaism’s holiest day, a jihadi terrorist rammed a car into worshippers at the gates of a synagogue before going on a stabbing spree. By the time officers shot the attacker, two were dead and four more injured, some from accidental police fire.

To show they would not be cowed by violence, the congregation resumed their prayers as Britain’s Special Air Service (SAS) forces patrolled outside. Underneath the defiant posture, though, many of them will likely have wondered whether Britain remains a safe home for Jews. For the first time in centuries, the answer is not straightforward.

Neither are the solutions to