It would make William Ruto the first African leader to address a joint US Congress session in nearly two decades. Kenya's President William Ruto will become the first African head of state to address a joint session of the US Congress in 18 years, if powerful American lawmakers have their way. Kenya and South Africa are America's key partners in Africa, but relations with SA have been strained of late. "Nearly 100 000 Kenyan Americans call the United States home. But, in east Africa, relations remain cordial.