The American revolutionaries created a decentralized, locally controlled polity for a reason. Abolishing federalism to achieve short-term political ends is a reckless way to go.
Paul Krugman famously predicted in 1998 that the internet would prove to be no more important than the fax machine. This error proceeds straight from his lack of economic understanding.
Keynes believed that all economic problems could be overcome with global inflation. This would bring about a new utopian age in which only social and scientific problems would remain.