The problem leaders face is that they are concentrating so much power in Brussels that they need to make institutions and leaders who are now largely unknown accountable to voters. Some countries that don't use the euro are also beginning to worry about being marginalized in the EU as the countries that do use the currency build up their institutions.
Nonetheless, Hollande said the work of the past days allowed for "a good conclusion to 2012."
"That is, both to fix the problems of the past and to open a new possibility to a deeper economic and monetary union."
Raf Casert, Sylvie Corbet and Robert Wielaard in Brussels, Geir Moulson in Berlin and Elena Becatoros in Athens contributed to this story.
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