a major point of disagreement is the war in tisyria. turkey backs the rebels, iran backs the syrian government. >> joining us on the set - syria has been a point of difference between iran and turkey. what is going on between the two countries, why are they meeting. is it the trade ties? >> i don't think so. i mean, if you look at the turkish foreign policies, tps an impasse, it's in deadlock. it is not going anywhere. both in syria and the u.s.-turkey relations. the prime minister is looking for an escape out of the impasse, then to find a base upon which it can put in turkish policy, to go back to the original policy. i don't know if people believe that at this moment. >> speaking of u.s. turkish relations, u.s. officials, before the meeting said that iran is not open for business as you are aware. there have been sanctions on rain, which have been - some of which have been relieved with the p5 plus 1 nuclear deal. by turkey going to iran, are they undermining sanctions. >> there's an ongoing investigation in turkey. >> the cash for g