Current developments in Iran are forcing a fundamentalreassessment of the relationship between Islam and democracyand the processes of democratization in the Muslim world.While some scholars have argued that 'Islam' and 'democracy'are essentially incompatible, others have sought to portraythe advent of political Islam as a transitional phenomenonto be overcome before democratization can take root. Ansari,in tracing the historical roots of political development inIran, argues that what is in fact taking place is an intellectualsynthesis of ideas drawing from both Western and traditionalIranian norms. The author analyzes the origins and dynamicof this development, and discusses the possible consequencesfor Iran and the region, as well as Iran's relationship with thewider world. This new edition includes political developmentsin Iran since 2016. It looks at the increasing polarity of viewsand the changing nature of 'reformism' in light of successivesetbacks and growing international tensions.