Yes. That would be enough, particularly since bio and chem weapons don't really require a delivery system. If he is *shown* to have both intent and capability, then we will need to act and act immediately.
When I see the evidence, I'm not going to say we need to go to the UN or to our allies. If the country is in jeapordy, declare war on the nation harboring the threat and eliminate it. Period. Then we should get back out and go about our business again. I'm pretty sure there is some good reason for us to have a standing military...
Tuor