Hungary’s parliament has approved a constitutional amendment that limits prime ministers to a maximum of eight years in office, closing the door on any return to power by former leader Viktor Orbán after two decades in the country’s highest political office. The measure passed on Monday with support from the governing Tisza Party, led by Prime Minister Péter Magyar, whose landslide election victory in April ended Orbán’s 16-year run as head of government and handed the new administration a ...