In 1999, the heads of 11 major food companies met to discuss America's growing weight problem. Should they change their formulas to prevent increased obesity? The answer was, "no," and since then, they've gone on to develop sophisticated new ways of getting more customers -- including children -- to eat more and more. Michael Moss is an investigative reporter for the New York Times. His latest book is Salt, Sugar, Fat: How the Food Giants Hooked Us, about the role of America's food industry in the obesity epidemic.