As the eurozone crisis defies resolution, so the tension rises between Europe's leaders.
President Sarkozy and David Cameron have argued, so have the French leader and the German Chancellor. Now there is tension between the UK and Germany.
Tomorrow David Cameron flies to Berlin to meet Angela Merkel. Previously they have got on well and they should be natural political allies. But the issue of 'Europe' has got in the way, as it has in the past.
bbc