Faded Froot Loops and Dull Doritos: Is Big Food Losing the War on Dyes?

The summer, some of the biggest food companies in America have announced that they plan to stop using artificial food dyes. It’s a move that would transform the look of some of the best known brands. Julie Creswell, who covers the food industry, explains how the health secretary, Robert F. Kennedy Jr., got the food industry to commit to a change that it has resisted for years — and that could be bad for business.