The answer is now: 'Yes, in certain circumstances.' The U.S. Supreme Court's 'Problem' with 'Grandparent Visitation' Rights In Troxel v Granville, 530 US 57, 65; 120 S Ct 2054, 2060 (2000), the Supreme Court struck down a Washington grandparent visitation statute because it unconstitutionally infringed on parents' fundamental constitutional rights. According to the Supreme Court, "the interest of parents in the care, custody and control of their children--is perhaps the oldest of the fundamental...