Nope, not hard at all

Air Force Lt. Gen. Henry Obering, is a man in a pickle. As head of the controversial Missile Defense Agency, he's in the strange position of "selling" ultracomplex, ultraexpensive weapons to the American public -- and to the "rogue" regimes those weapons are meant to counter -- while also assuring nervous world powers that those weapons don't work so well that they undermine mutual nuclear deterrence. "It's not hard to see the irony here," Erik Sofge writes for Popular Mechanics.

[From Missile Agency Boss: Defenses 'Work,' but Not Too Well | Danger Room from Wired.com]