When CIA agent Jon Wiant began growing a spy operation in Vietnam, he ran into a pickle: the locals he wanted to hire lived in rural areas along the boarder with Laos, and they existed primarily in a barter economy -- they wanted some sort of payment, but they didn't want currency. What's a spymaster to do? Listen in to learn how Jon Wiant used the famous Sears catalog to create a barter system of his own.