Dr. Jill Biden on a Tour of the Kenya Agriculture Research Institute in Nairobi, Kenya

Dr. Ephraim Mukisira, left, Director of the Kenya Agriculture Research Institute, leads Dr. Jill Biden on a tour of the facility in Nairobi, Kenya, Aug. 8, 2011. KARI receives USAID funding to help develop drought resistant crops and improve farming methods to increase yields. (Official White House photo by David Lienemann)