Donald Trump has been widely mocked after playing Creedence Clearwater Revival‘s ‘Fortunate Son’ when arriving at a campaign rally in Michigan.The 1969 track was released at the height of the Vietnam war and offers a scathing take on military deferments and the safe positions that were offered to well-connected individuals at a time when millions of Americans were being drafted to the front line.Singer John Fogerty previously said of the track: “The song speaks more to the unfairness of class