Oscar-winning filmmaker Laura Poitras spoke bluntly at the Venice Film Festival Monday about the motivations behind her latest project, They’re Here, a 25-minute documentary that viscerally chronicles the Minneapolis resistance movement to ICE’s paramilitary occupation last year. “We believed in a sense of urgency in documenting this,” Poitras said of the film origins. “What we’re seeing in the United States is a nightmare, and we feel what’s happening in the mainstream media is that this kind of violence is being normalized. We believe very strongly in the power of cinema to denormalize this violence and to show what’s happening, so…