 The postcard's author quickly apologized, returned to the United States, and left the Peace Corps. In his history of the Peace Corps, When the World Calls, Stan Meisler says the incident helped prepare the young agency for the scrutiny that would come. During the Vietnam War, concerns arose about volunteers protesting overseas, and the Nixon administration nearly shut it down. Meisler worked as a Peace Corps evaluator for three years in the 1960s.