John Paulson earned a record $3.7 billion last year to top Alpha 's ranking of the 50 most highly paid hedge fund managers. The Paulson & Co. chief surpassed perennial powerhouses George Soros and James Simons, who ranked second and third, at $2.9 billion and $2.8 billion, respectively. The top 25 on the list earned an average $892 million, up from $532 million in 2006. Paulson rocketed to No. 1 in Alpha...