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First Lady Michelle Obama helps students from Bancroft Elementary School, in the District of Columbia, wheel sweet potatoes from the White House Kitchen Garden during the Fall Harvest in Washington on October 29, 2009. UPI/Alexis C. Glenn

Date Taken: October 29, 2009

First Lady Michelle Obama works with students from Bancroft Elementary and Kimball Elementary Schools, both in the District of Columbia, at the Fall Harvest of the White House Kitchen Garden in Washington on October 29, 2009. UPI/Alexis C. Glenn

Date Taken: October 29, 2009

First Lady Michelle Obama stops for a photo with students from Bancroft Elementary and Kimball Elementary Schools, both in the District of Columbia, on the South Lawn of the White House after the Fall Harvest of the White House Kitchen Garden in Washington on October 29, 2009. UPI/Alexis C. Glenn

Date Taken: October 29, 2009

First Lady Michelle Obama stops for a photo with students from Bancroft Elementary and Kimball Elementary Schools, both in the District of Columbia, on the South Lawn of the White House after the Fall Harvest of the White House Kitchen Garden in Washington on October 29, 2009. UPI/Alexis C. Glenn

Date Taken: October 29, 2009

Assistant White House Chef Sam Kass speaks to the press about White House Kitchen Garden before First Lady Michelle Obama welcomes students from Bancroft Elementary and Kimball Elementary Schools, both in the District of Columbia, to the White House for the Fall Harvest in Washington on October 29, 2009. UPI/Alexis C. Glenn

Date Taken: October 29, 2009

First Lady Michelle Obama holds a sweet potato as she works with students from Bancroft Elementary and Kimball Elementary Schools, both in the District of Columbia, at the Fall Harvest of the White House Kitchen Garden in Washington on October 29, 2009. UPI/Alexis C. Glenn

Date Taken: October 29, 2009

First Lady Michelle Obama works with students from Bancroft Elementary and Kimball Elementary Schools, both in the District of Columbia, at the Fall Harvest of the White House Kitchen Garden in Washington on October 29, 2009. UPI/Alexis C. Glenn

Date Taken: October 29, 2009

First Lady Michelle Obama works with students from Bancroft Elementary and Kimball Elementary Schools, both in the District of Columbia, at the Fall Harvest of the White House Kitchen Garden in Washington on October 29, 2009. UPI/Alexis C. Glenn

Date Taken: October 29, 2009

First Lady Michelle Obama helps students from Bancroft Elementary School, in the District of Columbia, wheel sweet potatoes from the White House Kitchen Garden during the Fall Harvest in Washington on October 29, 2009. Assistant White House Chef Sam Kass is at right. UPI/Alexis C. Glenn

Date Taken: October 29, 2009

First Lady Michelle Obama works with students from Bancroft Elementary and Kimball Elementary Schools, both in the District of Columbia, at the Fall Harvest of the White House Kitchen Garden in Washington on October 29, 2009. UPI/Alexis C. Glenn

Date Taken: October 29, 2009