Sentence:  And, before light sabres, Sith Lords and Ewan McGregor&#39;s accent wandering to the other side of the <WSD>Watford Gap</WSD> from which he was born spring to mind, note that it is likely that George Lucas borrowed the concept. 
Meaning of the word marked with <WSD> tags:  The notional border between the North and South of England; the North–South divide.