Haven't finished that screenplay? Got a paper due Monday? That book idea still sitting on a shelf somewhere calling to you in your sleep? Then this is a group for you. The Sit Down, Shut Up, and Write Boulder Meetup is just what it sounds like -- A venue to start, continue or finish your written work. Think of it as a scene to write your scene, a medium for your medium, or just a chance to get your ink on. The Format: The "Sit Down" part: The first thirty minutes is reserved for introducti …