It was early Seattle morning in February 2007 and Howard Schultz had had a restless night. A steady drizzle pattered on the kitchen windows as the founder of Starbucks sipped pensively on a brew of French pressed Sumatra, fretting about the business he had founded two decades earlier. The signs were alarming: by the end of 2006, customer spending in Starbucks stores had begun to dip and absolute store traffic had slumped to new lows. The cause of these declines was less eas