Rubuta ci gaba don wannan sakin layi - A cikin 1956, Shugaba Dwight D. Eisenhower ya nada Parsons a matsayin Jakadan Amurka a Laos, shugaban ofishin jakadancin Amurka a Vientiane, tare da Parsons yana gabatar da takardun shaidarsa a ranar 12 ga Oktoba, 1956. A matsayina na jakada a masarautar Laos a tsakiyar yakin basasar Laos
, An gano Parsons tare da goyon bayan gwamnatin Eisenhower na Gwamnatin Royal Lao a kan Pathet Lao. Aikinsa a Laos ya ƙare a ranar 8 ga Fabrairu, 1958. Parsons ya ci gaba da tallafawa manufofin gwamnatin Laotian a cikin 1959-61, a lokacin da ya yi aiki a matsayin Mataimakin Sakataren Harkokin Waje na Gabashin Asiya da Pacific. (Ya hau ofis a ranar 1 ga Yuli, 1959, kuma ya bar ofis a ranar 30 ga Maris, 1961.) Da yake ba da shaida ga Majalisa ta Amurka a watan Maris na 1961, Parsons ya ce "hakkin Amurka a Laos hakika yana da girma sosai, kuma ina fatan ba za a sami kuskuren fahimtar ƙarfinmu da kwanciyar hankali ba". A cikin littafinsa na 1965 "A Thousand Days", Arthur M. Schlesinger, Jr. ya soki tsarin Ambassador Parsons game da Laos (Schlesinger ya fi son tsaka tsaki na Amurka tsakanin masu mulkin mallaka da 'yan tawaye), yana cewa Parsons "ya yi kuskuren fahimtar halin da ake ciki". Parsons bai taba amsawa a bainar jama'a ba game da wannan ko wasu irin wannan suka.