DAR ES SALAAM, April 9( Xinhua)--Tanzanian President Samia Suluhu Hassan on Saturday joined fellow citizens in commemorating 100 years of the birth of founding leader Julius Nyerere. Speaking in a debate to mark the occasion, President Hassan urged Tanzanians to continue honoring what Nyerere stood for during his lifetime." In order to honor him, we should continue nurturing peace, unity and solidarity that the founding leader stood for," she told her audience at the Mwalimu Julius Nyerere Leade