First lady Michelle Obama, accompanied by from left, Alex Roman, 12, of Walsh Elementary School in Chicago, Agriculture Secretary Tom Vilsack, and Becke Bounds, Child Nutrition Director of Lamar County School District in Mississippi, speaks on the South Lawn of the White House in Washington, Monday, Oct. 17, 2011, during an event to honor schools that met the first lady’s goal to double the number of participants in the HealthierUS School Challenge in year. (AP Photo/Carolyn Kaster)