The so-called memorandum of understanding between the United States and Iran – which was supposed to form the basis for a definitive peace agreement – was doomed to fail from the start. That is according to former Iranian Foreign Minister and Vice President Javad Zarif, in an op-ed in the American magazine Foreign Affairs. Zarif says it has to do with the vagueness of the document. "I think he has a point," says BNR foreign affairs commentator B…