Merger to create world's biggest advertising company

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France's Publicis and US firm Omnicom announce a merger to create the world's biggest advertising company, worth £35bn. The plans leave some analysts confused about the direction of the new company, whose clients would include Coca Cola and Pepsi, as well as Microsoft and Google. We speak to Sir Martin Sorrell, whose firm WPP will be ousted from top spot when the deal is finalised. Plus, Apple is facing fresh allegations of labour violations at the Chinese factories of one of its suppliers, the Pegatron Group. And BMW unveils its first mass-production electric car.