The Mossad defines its mission with crystal clarity as “to gather intelligence, thwart threats, and guarantee the security of the State of Israel and the Jewish people worldwide.” For most Western readers, that mandate sounds like something meant for Tehran, Beirut, or Gaza. Yet today the unthinkable question arises once again in the center of Western life: What happens when Jews are no longer safe in the very societies that proclaim themselves the guardians of human rights?The list of recent