My overriding need to see more women get ahead and along has overcome my passion to make a buck in the recruiting business.

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Then, once you identify your passion you can really begin to figure out what roads lie ahead that will allow you to pursue it.

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But to be a successful government, you have to be a government which has a common purpose, and that common purpose is firstly to sort out the economy and, secondly - and this is certainly my great passion - is to make sure that at the same time we give greater opportunity for people to get ahead: what is called in the jargon "social mobility".

BBC: Transcript of Nick Clegg interview