You know, when I was a teenager, I got interested in the Vietnam War. And I found a book in the library, called "Vietnam: A History." It turned out that that searing story of one of America's most tragic wars, was the product of one of the most distinguished reporters in Southeast Asia.
PepsiCo's product line ranges from salty chips and its sugary namesake drink to more healthful fare like hummus and yogurt. In 2010, the company announced plans to cut sugar, fat and sodium in its products to address health and nutrition concerns.
Many big food companies are caught in a dilemma these days. They want to rebrand themselves as merchants of health — Coca-Cola's new anti-obesity ads are just the latest example — but many of their profits still come from products that make nutritionists scowl.
If there's one person who symbolizes this tension, it's Derek Yach.