Owen Gleiberman Chief Film CriticBack in the age when what we used to call the press was first discovering itself as “media,” there were unprecedented events — standoffs and uprisings, mass gatherings and cataclysms — that the new media world, transmitting and shaping the reality of those events, wound up making even more unprecedented. George Wallace, in 1963, standing in a schoolhouse doorway at the University of Alabama to block desegregation.