As part of the Let's Move initiative to encourage youths toward healthier lifestyles, US First Lady Michelle Obama and a group of Native American children plant the "three sisters" group of traditional corn, beans and squash in the White House garden.

http://wireupdate.com/wires/17911/first-lady-obama-and-native-american-children-plant-crops-in-white-house/
http://channel6newsonline.com/2011/06/first-lady-obama-and-native-american-children-plant-crops-in-white-house/
http://thepoliticalcarnival.net/2011/06/04/video-first-lady-michelle-obama-and-american-indian-children-plant-
in-garden/