The Serbian mistake of 1918, when the victorious kingdom gambled on [establishing] Yugoslavia, rather than consolidating a compact state of Serbia, continues to haunt Belgrade. Territory governed from Belgrade continues to shrink. Next year, Montenegro can call a referendum to decide whether to secede. -snip- Montenegro is not alone in contemplating exit. Negotiations are likely to begin this year on the status of Kosovo, formally part of Serbia, in reality a ward of the international community, and in the minds of almost all its ethnic Albanian citizens a putative independent state. What goes around comes around. Kosovo was the launching...