Federal Reserve policy makers risk making a mistake that will be difficult to correct if they raise interest rates on Wednesday, according to former U.S. Treasury Secretary Lawrence Summers and economist Nouriel Roubini. Summers said questions remain about both the growth prospect and the prospect of achieving 2% inflation. “In a world where error is inevitable, it’s much better to make easily reversed errors than to make difficult-to-reverse errors,” he said in a TV interview. Read the original story from Bloomberg.