This is pretty far down in the weeds, but it may help you to understand what is going on with the Trump administration and Iran.
Julian Borger summarizes Nikki Haley’s visit to the International Atomic Energy Agency (IAEA) in Vienna. The article is a good jumping-off place for what I’m going to say.
The first part of the article discusses US government intelligence analysts’ unease at the demands being put on them to find violations by Iran of the nuclear agreement (JCPOA). It’s déjà vu of what was done to justify the 2003 Iraq war. The reality is that Iran is complying with the agreement, to the satisfaction of the IAEA inspectors and, apparently, the US intelligence community.