New paper from Google DeepMind on training models to argue well about moral dilemmas. The trained model became more decisive and stopped changing its answer when options were reordered. Sycophancy and reframing still moved its judgments. The setup uses real dilemmas from classic novels, each checked by a logic solver to confirm a genuine conflict. A policy is trained with RL in a self-judged tournament with masked thinking, where it rates pairs of its own arguments on quality. Its ratings…