13 March 2017, Rome, Italy - FAO Director-General José' Graziano da Silva meeting Tom Duffy, Deputy Permanent Representative of the United States of America, and Mr Kent Nnadozie, Secretary of the of the ITPGRFA, on the occasion of the entry into force of the U.S.A. Instrument of Ratification for the International Treaty on Plant Genetic Resources for Food and Agriculture, FAO Headquarters (Australia Room).