Here are excellent accounts on the history, present and future of the relation among the US, NATO and EU. Things can go in different directions from here, and one would have to ask what's keeping them from so doing?
Where the distinguished speaker's treatment of the subjects falls short is Afghanistan and the suspiciously unanimous reliance on a poll indicating that the regular Afghans want us there. In fact, Mr. Brzezinski questioned himself the quality of such poll, but then backtracked quickly. So, if this poll is just a WMD-type of excuse, life cannot be good. An indication of what's what will come from the decision of our NATO partners in Europe to withdraw or not.