Secretary of State Hillary Rodham Clinton waves as she arrives at Lusaka International Airport in Lusaka, Zambia, on Sunday, June 10, 2011. (AP Photo/Susan Walsh, Pool)

Photo by: Susan Walsh

Secretary of State Hillary Rodham Clinton waves as she arrives at Lusaka International Airport in Lusaka, Zambia, on Sunday, June 10, 2011. (AP Photo/Susan Walsh, Pool)