'In a country with a codified constitution, the framework must be visibly and noticeably altered either by an amendment to the constitution or through a decision by judges which in effect re-interprets the constitution. In Britain, by contrast, the framework can be gradually adapted to create a wholly different constitution almost without anyone noticing.' (V Bogdanor,The New British Constitution, Oxford, 2009, pp 5-6). Discuss by addressing all elements of this question, with reference to leading scholars and leading authorities.