Experienced the most curious juxtaposition of “movies” the other day. In the morning, a phone camera video of a white police officer with his knee in the back of a prone African-American teenage girl in a bikini. As two boys run toward the scene in what looks to be an almost instinctual gesture in defense of the girl, the officer pulls his gun from his holster and runs them off before going back to subjugating the girl, who is lying face down on the grass, her hands cuffed behind her. No great production values and short duration, but a scene of…