One year before the American bicentennial celebration, Gene Roddenberry and Wilton Dillon from the Smithsonian Institution shred a friendly correspondence. We welcome back Margaret Weitekamp - almost 50 years to the day since the "Big E" was shipped from LA to DC - to further discuss the importance of pop-culture in the country's preeminent collection of historical artifacts. See the documents: facebook.com/thetrekfiles Visit the Trekland site for behind-the-scenes access and exclusive merchandise.