The European Union is grappling with a new Balkan dilemma.
This one is not on the scale of the predicament the EU faced in the 1990s, when leaders argued and agonized over how to respond to the wars that tore Yugoslavia apart, including whether to intervene militarily.
But the latest headache is over a legacy of those wars, the frozen conflict between Serbia and Kosovo, after the presidents of both countries announced at the weekend they want to discuss changing borders.
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