Donald Trump used videos of a Marxist firebrand politician to highlight the alleged persecution of white farmers in South Africa as the country’s president sat beside him. The US president dimmed the lights at an Oval Office meeting to play clips of Julius Malema, known for his anti-white rhetoric, who was this month blocked from visiting Britain. Mr Malema’s Economic Freedom Fighters (EFF) party won just under 10 per cent of the vote at last year’s general election with a platform feeding on the disillusionment of many young black voters who have not seen their lives improve, despite the abolition...