The emerging Bernanke Fed

It is difficult to grasp the scale of the task facing Ben Bernanke as he took the stage in Jackson Hole, Wyoming on 31 August. The Fed chairman was about to deliver his most keenly anticipated speech since taking over from his idolised predecessor, Alan Greenspan. The stakes could not have been higher. His keynote address at the Fed's annual symposium in the calm backdrop of the Grand Tenton Mountains, all those thousands of miles away from the mayhem of Wall Street, was likely to make or break