For those who are serious about politics, this is one of the most important issues facing the nation today.
This person has made a very valuable contribution to understanding this; he has 20 years experience in the field working for the US government and an academic background (he taught at Harvard at one point).
http://iisd1.iisd.ca/pcdf/About_PCDF/korten.htm
For those who view themselves as patriotic (i.e. I am thinking about you "bomb, bomb, Saddam" right wingers), this should concern you. The current push for a unified Global Economy is a threat to national sovereignty.
The ironic thing is that Republicans push this harder than anybody; and the critiscm of Bush and Cheney for doing this is legitimate.
When I was in an economics course provided to me by my employer(Dow Chemical Co.) at that time, they gave the Economic definition of Fascism as the collusion of Government and Business. That is what we are moving toward.