Yes, that will be what makes them think we should go to war.
Pretty good last question, IMHO. Essentially: if Iran wants to negotiate with the US Government, what does Iran want from us?
Of course, the answer is that Iran loves and negotiates with everyone.
I think our government could probably go ahead and arrest him now. He’s essentially making what amounts to terroristic threats against the country. They need to take him and put him at Fort Leavenworth.