US investor Warren Buffett tops the list of the biggest 2013 public earners (not counting Rothschild, Rockefeller, Soros or other mega banksters who earn billions a day), having added $12.7 billion to his wealth, according to a report by the international analyst Wealth-X. The 83-year-old head of the Berkshire Hathaway investment vehicle earned $12.7 billion in the year. In January the wealth of the...