 Have them serve 18 years, and every two years, one justice's term will expire, so we'll know that every president will get two appointments. He says looking at today's voters' political ideals, the court should ideally reflect a closer 50-50 split. And while some have made the case for Supreme Court reform initiatives to bring more balance, those initiatives haven't advanced. Republicans in Congress argue the changes would jeopardize the separation of powers between Congress and the court.