Central bankers from around the globe gather later this week in Jackson Hole, Wyoming, but for once, the absence of the Federal Reserve chairman means their annual get-together is not likely to spoil the summer vacation of traders on Wall Street. Fed chief Ben Bernanke declined his annual invitation, breaking a 25-year tradition, and Fed Vice Chair Janet Yellen - a top contender to replace Bernanke in January 2014 - will only be moderating a panel. As a result, there is no keynote Fed speech to open the conference, and the chances of a deliberate effort to signal an upcoming change in U.S. monetary policy have been ... (full story)