Europe correspondent Finbarr Bermingham analyses Germany's diplomatic faux pas with China over sending a warship to the South China Sea as analysts ponder a Germany without Angela Merkel; what’s behind the boom in exports to the EU from Xinjiang; Dr Euan Graham from the International Institute of Strategic Studies unpacks the extent of military build-up in the South China Sea; and the potential for mistakes and the recent escalation of US diplomacy in Southeast Asia.