By David Usborne in New York The Independent March 21, 2008 Best we know there is no federal bail-out planned for Starbucks nor is one of its competitors, say Dunkin' Donuts, poised to buy it for a rock-bottom price. Things are not that fragile at the house of the double-shot soy-milk frozen macchiato. But, by its own admission, they are no longer especially buoyant either. If the failure of one very large bank last weekend brought the woes of Wall Street into focus then the new-found struggles of America's most ubiquitous coffee purveyor may similarly be a symbol of the more general economic malaise infecting Main Street. The foam on its lattes is suddenly going sour. It is a uncharacteristically contrite Starbucks that is now acknowledging that its model for retailing coffee beverages at not-so-modest prices is suddenly under assault and that salvation resides in reconnecting with its coffee-roasting roots and, hopefully, its customers. The pain is being felt most acutely in...