Ian Burrell: Britain needs to understand what an incomparable asset it has in the BBC World Service, argues its outgoing head

It’s a shame that not enough people back in the UK realise the value this 82-year-old institution has for Britons travelling overseas, whether they’re doing business or seeing the sights. Talking with Horrocks at the end of his 33-year career at the BBC – he steps down at the end of this year – he has a clear idea of how this could change.