preaching a message of peace on his first visit to africa. he said his first mass there today in kenya. he'll also be making stops in uganda and the central african republic. allen pizzey is with the pope in nairobi. >> reporter: the traditional african welcome was a joyous reflection of how pope francis' message is being received. a kenyan newspaper summed it up as "our politicians could learn a thing or two from him." on his first trip to africa, francis urged kenyans to help bridge the increasingly violent divisions between muslims and christians. all too often, he said, young people are being radicalized in the name of religion to sow discoward and fear. kenya suffered at the hands of islamic extremists which the al-shabaab militia slaughtered