Nazanin Zaghari-Ratcliffe, a dual British Iranian citizen, is on her way home to the UK following her release by the Iranian government. Zaghari-Ratcliffe was detained for years due to a debt dispute between the UK and Iran. The World’s Marco Werman spoke with Ali Vaez, Crisis Group’s Iran project director, about the release of Zaghari-Ratcliffe and the latest in negotiations to restore the Iran nuclear deal.