This Little Britain: How One Small Country Changed the Modern World. Harry Bingham

limits on politicians. Ordinary legislative acts generally need just a simple majority to get them into law. Changes to the constitution require something much more significant: two-thirds majorities, approval by states or provinces, plebiscites or whatever. Britons enjoy no such protections. If a prime minister wanted to repeal Magna Carta or the Bill of Rights or any of the Representation of the People Acts, he could do so, with no more legal machinery in his way than would exist if he wanted to tinker with the last Fisheries Act but one.