'The Invite' screenwriters Rashida Jones & Will McCormack

The new film, ‘The Invite,’ directed by Olivia Wilde, offers a portrait of a marriage in middle age, told over the course of one dinner party that spirals out of control. Screenwriters Rashida Jones and Will McCormack have been mining this territory together for decades, while finding the funny inside the painful. “We are never above a laugh,” Jones says. “There's nothing that's grave enough for…