Sovereignty and its Presuppositions: Before 9/11 and After

Is the modern states system in terminal decline? Are we witnessing a great transformation in that regard? Are the events of 9/11 indicative of that? Or is state sovereignty evolving, yet again, in response to scientific, technological, economic and social changes – as it has done throughout the post-medieval era of its existence? That latter line of argument is put forward in this essay.