Alex Webb, Columnist

WPP Just Can't Live Without Martin Sorrell

The lack of an open succession plan is a big mistake.
Photographer: Jason Alden
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The revelation that WPP Plc's CEO Martin Sorrell is being investigated over allegations of personal misconduct has reopened the debate about who can succeed him at the advertising giant.

Sorrell insists he's done nothing wrong. Whether that's true or not, it has been a torrid 12 months for the 73-year-old. News of the investigation sent WPP's already languishing stock to its lowest in almost five years.