WASHINGTON - One of New York Sen. Chuck Schumer's top recent fund-raisers is a key figure in the Goldman Sachs fraud case, a review of federal campaign records reveals. John Paulson, leader of the $33 billion hedge-fund firm Paulson & Co., helped Democrat Schumer collect nearly $100,000 in the first three months of this year. Schumer is running for a third term in November. The Securities and Exchange Commission says Paulson's company helped assemble a bunch of bad mortgage securities for Goldman Sachs and bet they would tank, while Goldman found buyers who got soaked for $1 billion. The SEC...