Tuhia he tohutoro mō tēnei wāhanga - Mai i te 1980 ki te 1990, ko Preston te kaikawe i ngā pakanga patu i Amerika Waenganui, tae atu ki te pakanga ā-iwi i El Salvador
me te whakaeke, i tautokohia e te United States, ki te kawanatanga Sandinista i Nicaragua. I ripoata ia mo Central America mo Te Boston Globe mai i te 1983 ki te 1985 me te Washington Post mai i te 1985 ki te 1990.