Kennedy as OAS conference San Jose Costa Rica - US President John F Kennedy sits at the conference table in the National Theatre here on 19 March 1963 as the Organisation of American States conference gets under way. President Ydigoras Fuentes of Guatamala sits on Mr Kennedy's right. To protect Latin American countries from Castro Communist subversion the presidents agreed to have a meeting of security officials at the Cabinet level within four weeks to plan measures to halt the flow of Communist money , propaganda , and arms from Cuba