Either way, the euro zone is heading for more federalism, and Britain may try to regain more sovereignty.

ECONOMIST: Charlemagne

Messily, perhaps, European leaders are at least debating some of the right questions: what degree of fiscal federalism and risk-sharing does the euro zone need to overcome the crisis?

ECONOMIST: Charlemagne

In the euro zone, too, Mr Bogdanor suggests, it is time to move towards federalism with a new democratic input: hence the notion of an elected European Commission.

ECONOMIST: The euro crisis: An ever-deeper democratic deficit | The