...United States can strike when the host state is “
unwilling or
unable” to act, but that requirement comes in addition to, not instead of, the “no other reasonable alternatives” requirement. On imminence, it is still not entirely clear, but there are several reasons why the fact sheet version of the test is more reassuring than the previously leaked DOJ White Paper’s version (which, unhelpfully, addressed the concept of imminence only in the context of its U.S. constitutional due process analysis). For one thing, the White Paper repeatedly insisted it was...