The substance of Obama's speech was moderate liberalism -- we like business, but government has a role too, neither too much nor too little, etc. It's hard to attach that kind of case-by-case pragmatism to an overarching theme. But I do think Obama pulled it off pretty well. He took a fairly hackneyed idea -- the future -- and managed to weave it into issue after issue, from infrastructure to energy to deficits to education and even foreign policy.I thought Obama explicated his idea about Americ...