We talk with the writers responsible for two fascinating articles in this month's issue of The Atlantic. One of them is a look at the significance of CEO's like Apple's Steve Jobs. What difference do they really make? The other article examines an extraordinary Harvard study which has been underway since 1937 which has been following a number of men (sophomores at Harvard when the study began) and tracking their emotional and physical well-being through the decades and exploring what seem to be the keys to health