U.S. President Barack Obama has caused confusion after claiming yesterday that Kosovo held a UN-assisted referendum for self-determination – misleading people over the true origins of the country. The U.S. President used the example to hit out against Russia's annexation of Crimea, but experts have noted that no such referendum took place, and implied that Obama's "incredible mistake" should elicit a retraction or correction from the White House. The error came in a speech delivered at the Palais des Beaux-Arts in Brussels, and has been remarked upon to Breitbart London by regional experts from both the United Kingdom and indeed...