( CNN) With a critical summit meeting of EU leaders about to begin, Britain's continued the participants sharing the European Union — and, indeed, the future of the EU itself — still hang in the balance.

The heads of government of the 28 European Union countries — from Finland to Portugal and from Ireland to Greece — are converging on Brussels, Belgium, on Thursday afternoon for sessions that could set the course of the continent for decades to come.


Will Britain stay in the EU?