As their infatuation with President Obama fades, millions of Americans anxiously ask, Is this the change we were waiting for? The current administration represents change, for sure, Steven Malanga argues - a momentous transformation of the fundamental structure of American politics. A self-interested coalition of public-sector unions and government-financed community activists (like the young Barack Obama) has become our era's characteristic political machine. In Shakedown, Mr. Malanga shows how this machine's single-minded goal is always bigger government and more public spending. The bill,