President Obama greets guests at the second annual White House "Kids' State Dinner" in the East Room of the White House in Washington on Tuesday, July 9, 2013. First lady Michelle Obama welcomed 54 children to the Executive Mansion for creating winning recipes as part of a healthy-lunch contest. (AP Photo/Susan Walsh)

Photo by: Susan Walsh

President Obama greets guests at the second annual White House "Kids' State Dinner" in the East Room of the White House in Washington on Tuesday, July 9, 2013. First lady Michelle Obama welcomed 54 children to the Executive Mansion for creating winning recipes as part of a healthy-lunch contest. (AP Photo/Susan Walsh)