The ESIL Conference at which this article was originally presented as the Keynote Speech was devoted to the topic of “International Law in a Heterogeneous World”. The article attempts to demonstrate that heterogeneity does not exclude the universality of international law, as long as the law...

The threat or use of force by NATO without Security Council authorization has assumed importance because of the Kosovo crisis and the debate about a new strategic concept for the Alliance. The October 1998 threat of air strikes against the FRY breached the UN Charter, despite NATO's effort to...