![](https://cdn.images.express.co.uk/img/dynamic/22/590x/989345_1.jpg)
Sir Martin Sorrell has opened up about the emotional toll of his acrimonious split with WPP, and revealed the world is his oyster as he builds up a rival marketing empire in the face of legal threats.
Source: Daily Express :: Finance Feed https://ift.tt/2LfCuP8
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