($MACRO) Goldman Sachs suggesting weaker employment data to prompt Fed action in September, most likely OperationTwist.                                                                                                                                  'Twist' term refers to early 60's era operations where the Fed sold shorter dated securities and bought longer dated ones,in an effort to drive down longer term rates and spur economic growth.In the process removes duration from the markets and into riskier assets,ie stocks (gold harder to call with the CME around).