Who Moved My Arugula? By ROB KAUFELT After graduating from college in the late 1960's, unclear about my future, I drifted into the family supermarket business in New Jersey. From Day One, I bugged my father and uncle about all the things they were doing wrong. In response, they sent me to an old-fashioned supermarket training program. The course did not have its intended effect. Most of what I learned came from my roommate, who arrived in a Mercedes convertible with golf clubs in the trunk (I had a Pinto). He regaled me with his vision of a new type...