First Lady's Fall Harvest

First lady Michelle Obama holds up a sweet potato as she participates in the White House Kitchen Garden Fall Harvest with students on the South Lawn of the White House in Washington, Wednesday, Oct. 20, 2010.

First lady Michelle Obama speaks before the White House Kitchen Garden Fall Harvest with students on the South Lawn of the White House in Washington, Wednesday, Oct. 20, 2010.

First lady Michelle Obama talks to White House Executive Chef Cristeta Pasia Comerford as local schoolchildren look on during the White House Kitchen Garden Fall Harvest on the South Lawn of the White House in Washington, Wednesday, Oct. 20, 2010.

First lady Michelle Obama and White House chef Sam Kass dig for sweet potatoes in the White House Kitchen Garden, Wednesday, Oct. 20, 2010, on the South Lawn of the White House in Washington.

First lady Michelle Obama uses a pitch fork as she participates in the White House Kitchen Garden Fall Harvest on the South Lawn of the White House in Washington, Wednesday, Oct. 20, 2010.

First lady Michelle Obama participates in the White House Kitchen Garden Fall Harvest with students on the South Lawn of the White House in Washington, Wednesday, Oct. 20, 2010.

First lady Michelle Obama takes a bite out of a turnip as she participates in the White House Kitchen Garden Fall Harvest on the South Lawn of the White House in Washington, Wednesday, Oct. 20, 2010.

First lady Michelle Obama holds up broccoli as she participates in the White House Kitchen Garden Fall Harvest with students on the South Lawn of the White House in Washington, Wednesday, Oct. 20, 2010.

First Lady Michelle Obama and renowned French chef Daniel Boulud taste baby turnips while participating in the White House Kitchen Garden Fall Harvest on the South Lawn of the White House in Washington, Wednesday, Oct. 20, 2010.

First Lady Michelle Obama picks a pumpkin during the White House Kitchen Garden Fall Harvest with students on the South Lawn of the White House in Washington, Wednesday, Oct. 20, 2010.

First lady Michelle Obama poses with local schoolchildren and Bocuse d'Or USA Foundation chefs as she participates in the White House Kitchen Garden Fall Harvest on the South Lawn of the White House in Washington, Wednesday, Oct. 20, 2010.