I'm regularly asked how I came up with the idea to drive home.  After all I've lived outside my country of birth for 35 years and have not returned for the past 25 years, why would I conceivably want to return now? Like the best ideas, it came about as a convergence of times, experience and circumstance.  So there isn't a clear one line answer to this, but I'll try to not only put my thoughts into writing but also to share them with you. Firstly, although I've been outside my country (for those who don't know, it is Zimbabwe)...