In the final part of Andrew Marr's epic national saga, Britain enters the uncharted waters of the post-Thatcher era. Many have done well during the Thatcher years but now boom is turning to bust. Britain feels more vulnerable than ever to rapid international change - from the influence of powerful new global market forces to global warming. Just when many in post-war Britain are getting used to the good things in life, it seems we are going to have to start giving up our big cars and foreign holidays - or at least go back to some form of rationing. But who could persuade us to do this? Churchill had that kind of power in the 1940s, but which politician would we trust and follow today?