This week, European Union diplomats and Iranian representatives adopt a new mechanism to maintain trade as Iran works to comply with the nuclear deal in the face of US sanctions. Qatar's Emir travels to Lebanon for a financial conference, pledging funds for the country's economy and appearing to step into the Lebanese political arena. And in Tunis, Youssef Chahed leads Tahya Tounes, a party breaking from the ruling Nidaa Tounes over economic policy and political infighting.