As Kurt Andersen prepares to finish his latest book, we ask: What are the challenges with finishing a creative project? How do you know when it’s really done? Artists Maria Schneider, Tony Kushner and Alejandra Deheza tell us about their experiences trying to finish work. We’ll also hear from psychologist Adam Grant about the art of procrastination and neuroscientist Heather Berlin about what our brains are doing when we’re being creative.