Ten years ago, there were fewer than 2,000 Starbucks stores around the world. Today, that number is well over 16,000. Along the way, the price of a Starbucks share went from $ five to $40. Then something happened. The number of stores kept going up, but the share price did not. In fact, it dropped below $20 and has stayed there for the first half of 2008. Howard Schultz, who led the company in...