Top U.S. diplomat for Iran resigns ahead of crucial vote to extend arms embargo CNBCOld, new U.S. envoys the same - 'they bite off more than they can chew', Iran says ReutersIran indifferent to Trump envoy’s quitting amid embargo push Washington PostWith Trump's Iran Envoy Out, Change Is Needed | Opinion NewsweekElliott Abrams, convicted of lying about Iran-Contra, named special representative for Iran CBS NewsView Full Coverage on Google News