AP Photo

This week, the world's major powers resumed negotiations with Iran over its nuclear program. Should they fail, the specter of a possible Israeli strike looms large, seeming to grow more likely as Tehran's nuclear program advances. In recent weeks, however, the conventional wisdom has shifted to favor the view that Israel is not on the cusp of a strike against Iran. This has been driven in part by public comments from former Israeli security officials -- notably former Mossad head Meir Dagan and former Shin Bet head Yuval Diskin -- questioning the wisdom of such an attack. An Israeli strike is not feasible, the thinking goes, so long as its security community remains divided -- and the thinly veiled threats of Israeli Prime Minister Benjamin Netanyahu and Defense Minister Ehud Barak...