Guntram B. Wolff via Caixin | One of the clear trends of 2015 was the rise of parties that radically challenge the consensus of traditional parties and their representatives. This trend is perhaps most visible in France and the United States but is also strong elsewhere. It will likely be a major force shaping European and global policies. A reflection on its causes is imperative to define the right policies for 2016. We should also ask what could it mean for China.