So the Ides of March poster is a wide-angle thing with the left and right versions all hazy and out-of-focus? That’s not right. One-sheets have to conform to the usual 27″ x 41″ aspect ratio, or a single, stand-up, vertical-favoring image. George Clooney ‘s political drama plays at the Venice Film Festival on 8.31 and opens on 10.14.