bernard rayner: well, we've done it for a thousand years now. i'm sure that we can get back in the grain of things. no, we just open up to the world. see, don't forget we have a commonwealth. hanni: bernard wasn't keen on receiving his german visitor alone, so frances joins us. both want a clean break with europe -- and say nature is on their side. frances day: every day we say thank god for the english channel. it's our most precious possession. it really is. hanni: why? frances: because it protects us. bernard rayner: it's a natural border. it's a natural barrier. hanni: from who? frances: from invasion. it's always helped us. hanni: barrier? protection from invasion? britain has changed. it has become more alien. it feels smaller, even if it sound more grandiose. crackpot ideas are in the air - the recommissioning of the royal yacht britannia, for one. a future as a global sea trading power. the english channel is getting wider and the climate here is no longer so mild -- at least as far as migrants are concerned. it is a long time since the