The Arab freedom wave has now hit the shores of Europe and in the most unlikely of places: the Balkans. Croatia, an Adriatic nation that straddles the civilizational fault line between Central Europe and the Balkans, has been seething with public unrest and protests. For weeks, thousands of demonstrators have been assembling almost daily in the capital, Zagreb, and across other cities in this country of 4.4 million. They are demanding that the government step down and call snap elections. The situation is volatile - and could turn violent. The protests should come as no surprise. Croatia is on the...