WRECKING BALLHeavy lies the crown on Bruce Springsteen' head. Alone among his generation or any subsequent, actually he has shouldered the burden of telling stories of the downtrodden in the new millennium, a class whose numbers increase by the year, a fact that weighs on Springsteen throughout 2012's Wrecking Ball. Such heavy hearted rumination is not unusual for the Boss. Ever since The Rising, his 2012 return to action, a record deliberately tailored to address