Iran also gains influence from the Israeli conflicts with Lebanon, Syria, and Turkey. Al Maleki in Iraq and Karzai in Afghanistan are both friendly with Iran. China and Russia are strong trading partners despite the sanctions. Most of the world doesn't see them as North Korea or Nazi Germany.
U.S. Democratic Sen. Bill Nelson announces support for Iran nuclear deal (Haaretz)
from the article: Livni: Two-state solution only way to keep Israel Jewish and democratic