In Nashville Season 1, Episode 14, “Dear Brother,” the entire cast of characters is struggling with boundaries — how to love without enabling. Gunnar Scott (Sam Palladio) grapples with the return of his felon brother, Juliette Barnes (Hayden Panettiere) tries to support her mother’s sobriety with an iron fist, and Rayna Jaymes (Connie Britton) struggles with how to be......