Your part in bold there amazes me. It seems blatantly obvious it is the opposite. Just after the situation with Syria was mitigated without military conflict and restraint was shown by Obama/Kerry (with help from Putin of course), Iran, with a new moderate leader, realized this might be an administration it could work with. Duh.

That checklist post of yours though.

"Syria rid of CD, check." That line seems premature.
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We are what we repeatedly do - Aristotle