by Katherine HADDON LONDON, United Kingdom (AFP) — Millions of Britons began voting Thursday in a bitterly-fought, knife-edge referendum that could tear up the island nation’s EU membership and spark the greatest emergency of the bloc’s 60-year history. A record 46.5 million voters were registered to decide Britain’s future in the 28-nation European Union, which was born out of a determination to unite in lasting peace after the carnage of two world wars. Across much […]