Now that John Kerry has decided (well, for the moment), that the invasion of Iraq was "the wrong war in the wrong place at the wrong time," it's worth revisiting the underlying rationale for the war — in a slightly unorthodox way. Rather than taking at face value what George W. Bush has said about his decision-making, let's premise here that there are certain realities an American president must tacitly acknowledge but cannot fully articulate since the articulation itself would further jeopardize national security. The underlying rationale for the war in Iraq — apart from whether Saddam possessed weapons...