The Absence of Practice Supporting the “Unwilling or Unable” Test
Regular readers of the blog know that one of my hobbyhorses is the "unwilling or unable" test for self-defense against non-state actors. As I have often pointed out, scholars seem much more enamored with the test than states. The newest (regrettable) case in point: my friend Claus Kress, who is one of the world's best international-law scholars. Here is what he writes...