Yanqui WALKER and the OPTICAL REVOLUTIONThis film explores a now obscure American expansionist, William Walker, who through military force and coercion became president of Nicaragua in 1856. Walker was one of many expansionists who believed it was America's Manifest Destiny to conquer all of the Americas and who engaged in border raids in Canada, Mexico, the Caribbean and Central America. Filmmaker Kathryn Ramey blends found footage, documentary photography, ethnographic inquiry, and