If that is true, then not just any causally undetermined choice, or just any agent caused choice, or just any randomly generated selection between alternatives will qualify as a free choice for which the choosing agent is morally responsible. Moral freedom also requires a minimal degree of rationality on the part of the choosing agent, including an ability to learn from experience, an ability to discern normal reasons for acting, and a capacity for moral improvement. With good reason, therefore, do we exclude lower animals, small children, the severely brain damaged, and perhaps even paranoid ...