Well it's said, great white sharks cannot stop swimming; if they do, they suffocate and die. Same is the case with a man who heads one of the world's largest advertising corporation WPP!br br We are taking about none other than - Sir Martin Sorrell. In this show, we will get you the man himself. Speaking exclusively to NewsX.br br And now for the first time Sir Martin Sorrell speaks about his journey as an entrepreneur.