As American universities are taken over by riot police, this week’s review looks at questions about the nature of power and liberal democracy; and at how some issues create world-defining moments while others fail to get picked up by international radar. It looks at the silence over Turkey’s ongoing and relentless attacks on the Kurds; and it looks at the importance of Abdullah Öcalan’s critique of liberal democracy in favour of direct democracy, and at attempts to put this into practice in North and East Syria.