First Lady Michelle Obama delivers the keynote address during the closing sessions of a two-day conference on childhood obesity.
The First Lady is honorary co-chair of the Partnership for a Healthier America (PHA), a nonprofit children's health organization whose goal is ending childhood obesity within a generation.
Newark Mayor Cory Booker, PHA's honorary vice chair, will announce the winner of the "End Childhood Obesity Innovation Challenge." Three finalists are competing for the $10,000 prize.