“Past & Present” Written by Tor Alexander Valenza Directed by William F. Gereghty Guest stars: Megan Leitch as Ke’ra, Jason Gray-Stanford as Orner Do memories make us what we are? Are we nothing but the sum of all our past experiences? And if we are, does forgetting make one a different person? How do you hold a criminal accountable for deeds she has no knowledge of? The SG-1 team faces a moral dilemma when they try to save an entire race suffering from mass amnesia, only to find themselves face to face with a mortal enemy. On a world that…