David Zeiger's documentary film Sir! No Sir! had a profound impact on my graduate studies, educating me about the "GI movement" against the Vietnam War and kick-starting my project on the "GI coffeehouses" that functioned as the institutional support network for that important movement. We had a great conversation about his years growing up in Los Angeles, his need to "do something" about the war in Vietnam, his work with antiwar soldiers at a GI coffeehouse in Killeen, Texas (outside Fort Hood) in the early 1970s, and his development as a photographer and filmmaker.