By Bonnie Stiernberg Director James Cameron has not historically been known for brevity. Titanic clocks in at three hours and 14 minutes and Avatar features a runtime of two hours and 42 minutes. His forthcoming sequel to the latter, Avatar: The Way of the Water, will reportedly run roughly three hours. In a recent interview with Empire, the director insists that fans should be able to sit through the lengthy movie without any complaints. Cameron argued that folks who are able to binge-watch a TV show for hours on end should be able to cope with his movie’s long runtime. “I don’t want anybody …