Oscar-winning screenwriting partners Jim Rash and Nat Faxon (The Descendants) celebrate their directorial debut with The Way, Way Back, a familiar coming of age story that is sweet, funny and poignant. Teenage angst and the “us versus adults” battle shown from the male perspective are popular themes right now, with film like Mud and Kings of Summer releasing earlier this summer, but as a labor of love project for this filmmaking duo, The Way, Way Back has been a long time coming. It’s a film that manages to be a crowd-pleaser without trying too hard. The title refers to the back seat of a vintage station wagon, where 14-year-old Duncan (Liam James)…