For the past three years, the Bush Administration has been sabre-rattling against Iran, drawing up plans for massive airstrikes (including the use of nuclear weapons), positioning forces so they can carry them out at a moment's notice, and threatening "world war III" if Iran doesn't immediately halt its nuclear weapons program.
Now it turns out that there isn't any such program. According to a just-declassified National Intelligence Estimate, based on data from 16 American intelligence agencies, Iran halted its nuclear weapons programme four years ago, and is now doing exactly what it says it is: enriching Uranium to support a civilian nuclear power program. In other words, there is no longer even a sliver of a case for war. The question now is whether that actually matters to the Bush Administration, or whether they're hellbent on war regardless...
