Does the Due Process Clause of the Fourteenth Amendment require a certain quantum of proof before a state court, in a custody proceeding between the two natural parents, can reduce to limited, supervised visitation one parent's constitutional right to the care, custody, and management of her child?

QUESTION PRESENTED Does the Due Process Clause of the Fourteenth Amendment require a certain quantum of proof before a state court, in a custody proceeding between the two natural parents, can reduce to limited, supervised visitation one parent’s constitutional right to the care, custody, and management of her child?