york times" this morning. and it gives you a real sort of fly on the wall perspective about the cultural differences that he says are sort of causing a rift between the two sides. basically that americans are detail oriented transactional. and that iranians deal in more symbolism. what do you think about the cultural differences getting in the way? >> well look symbolism on the one hand yes. because they want to see these negotiations succeed. and it is you know what president rouhani and foreign secretary zarif have brought to the table. their government sort of depends on being able to better the life and the economy of the iranians who voted for them. and as you know in iran there is a massive majority of people who voted for this moderate leadership. so symbolism to an extent. but it's not just symbolism. it is about lifting sanctions. that is what their economy and their country has suffered from. so they want that gone.