First Lady Michelle Obama lauds educators for following the lead of her Let's Move! program and taking action to curtail childhood obesity. The battle to make children healthier is being waged on a number of fronts by food companies, restaurants and schools. Progress has been made, she says, but more is needed.

The U.S. Congress has passed a measure that would scrap the Child Nutrition Act's requirements and funding for more healthy lunches in schools. Unfortunately, foods of lower nutritional value are more available than healthier snacks in the nation's schools. The author argues that providing students with more fresh fruit and produce, whole grains…