So much hinges on Saudi Arabia: from the COP21 summit, to the fight against ISIS and the war in Yemen, the nation that sits on one-third of global oil reserves has to do some quick arithmetic. Can it brave pressure in Paris and agree on a plan for a fossil fuel-free world, contain the growing influence of Iran and attack the jihadists who have sworn to take down the Wahhabi Kingdom while still defending its own brand of rigorous Islam?
Former political analyst, Saudi Arabia embassy in Washington
Professor of Near Eastern Studies, Princeton University
Director, 'Climate Action Network'