Later this month, Britain may do what no country has done before and vote to leave the European Union. Opinion polls suggest the public is split down the middle. The referendum on June 23 is too close to call. Those in favor of walking out of the EU -- the Brexit option -- say European rules stifle U.K. business and leaving would boost the economy. They also say Britain would regain control of its borders and be able to limit immigration. Those campaigning for the U.K. to stay -- including the government -- paint a much grimmer picture of life outside the EU. They say trade and investment would suffer, triggering a ... (full story)