Ten years ago, I had a discussion with a friend who was a serious rower. He's not Sir Steve Redgrave but understands what it takes to win. His assertion was that teams don't have to like each other to perform. In fact they can downright hate each other and still do the job. It was alleged that Eric Cantona would never pass to striker Andy Cole at Manchester United for example.

At the time I wasn't convinced that the sporting metaphor could translate to business. I'm certain now - he was wrong.

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