fighting that one group. evenly if isis were defeated tomorrow, would that stop the next lone wolf jihadi in new york or paris or london? the enemy is in fact radical islam, an ideology that has spread over the last four decades for a variety of reasons and now infects alienated young men and women across the muslim world. the fight at its core must be against the ideology itself. that can only be done by muslims. they alone can purge their faith of this extremism. after a slow start, there are now several important efforts under way, more than people realize. the west can help by encouraging these forces of reform. allying with them at partnering with efforts to modernize these societies. but that is much less satisfying than hurling and calling for bans on muslims and advocating