Complex sentence: As the interviews proceed, the director is able to catch his subject lying on camera, though when he does, Rumsfeld does not acknowledge it, and Morris finding Rumsfeld unable to engage in self-reflection.
Split into simpler sentences: As the interviews proceed, the director is able to catch his subject lying on camera, though when he does, Rumsfeld does not acknowledge it. Throughout their dialogue, Morris finds Rumsfeld unable to engage in self-reflection.