Yesterday was a red letter day--or perhaps it should be called an Islamic green letter one--for U.S. intelligence. For the first time I can recall, the top legislator on a congressional oversight committee actually made clear what motivates our enemies in what used to be called euphemistically the “War on Terror,” ... What makes this incontrovertible statement so noteworthy? It is the fact that the intelligence community is not allowed to say it. Under Obama administration guidelines, for intelligence officers–and for that matter, law enforcement, Homeland Security and military personnel–to talk about Islamic jihadism and shariah as the motivation for...