Overview: Michael Crick is in Brussels for us tonight where the threat of a Greek debt default undermining the euro is overshadowing an EU summit. Paul Mason will be asking how an economy like Greece's can be saved from going bust (read more on his blog), and we'll be speaking to Werner Hoyer, the German Foreign Office's Europe Minister. And Iain Watson has the latest on the attempt to ban the use of wild animals in circuses in England.