Since September 11, 2001, U.S. policymakers have understood the need to confront jihadism not only militarily but also ideologically; yet, writes John Hannah, they have had little success. Now Mohammed bin Salman, Saudi Arabia’ reformist crown prince, appears willing and able to take up the fight, and Hannah urges Washington to support his efforts:

Last Friday, yet another mysterious explosion rocked a military site in the Islamic Republic, in what seems to be a coordinated attempt to sabotage Iranian nuclear ambitions—although there remains a possibility that these incidents could be accidental, and related only by coincidence. For their part, the ayatollahs have blamed Israel, and not unreasonably. Eli Lake comments on what this all means for the future of American attempts to limit the Iranian nuclear program: