Todd Spangler NY Digital EditorOscar-winner Tilda Swinton is the narrator of “Goliath: Playing With Reality,” a virtual reality experience about a schizophrenic man who finds human connection by playing video games, which is set to have its world premiere at the 78th Venice International Film Festival.Directed by Barry Gene Murphy and May Abdalla, “Goliath” is a 25-minute animated VR experience that “explores the limits of reality, demonstrates the weight of mental illness and lauds the