What’s holding up a European banking union?

When European leaders resolved to finally solve the eurozone crisis, they swore that that a banking union would be a crucial part of the solution and that agreement would be in place by the end of this year. But with the latest negotiations bogged down, what’s happened and does it pose a threat to financial stability in Europe? Patrick Jenkins, banking editor, and Alex Barker, Brussels correspondent, join Gideon Rachman to discuss.