Optimistic article:
https://irancommentary.wordpress.com/2018/06/18/analysis-how-to-cripple-the-iranian-regime-and-help-its-people/
Pessimistic writer:
http://www.atlanticcouncil.org/blogs/iransource/trump-s-iran-policy-from-the-art-of-the-deal-to-the-mirage-of-regime-change
I'll take the first thank Q very much!