Defense: As the failure of engagement with Iran grows more apparent, the administration that has talked very softly may be getting the mother of all sticks ready. Guess we need high-tech Cold War weapons after all.Western intelligence sources have told London's Times that Iran has perfected the means to develop and detonate a nuclear bomb and is merely awaiting word from its supreme leader to produce its first one. Should the order be given, it would take just six months to enrich enough uranium and another six months to assemble the warhead. Time's up. Recently, and perhaps not coincidentally, Defense...