It was $10m of Mercer’s money that enabled Bannon to fund Breitbart – a rightwing news site, set up with the express intention of being a Huffington Post for the right. It has launched the careers of Milo Yiannopoulos and his like …

With links to Donald Trump, Steve Bannon and Nigel Farage, the rightwing US computer scientist is at the heart of a multimillion-dollar propaganda network

Robert Mercer: the big data billionaire waging war on mainstream media

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