Considering the ongoing controversy surrounding Ava DuVernay's civil rights drama Selma and its relatively minor deviations from history (as well as the ongoing non-controversy surrounding Morten Tyldum's The Imitation Game and its multiple, egregious deviations from history) Matt and Ed decided to ask why historical inaccuracy is so often used as a criticism against works of fiction, where exactly the line  between inaccuracy and artistic license lies, and wonder if Dave Lister holds the real truth behind the Kennedy assassination.