
Rupert Murdoch, who announced Wednesday he was stepping back from his role as chair of Fox and News Corp, leaves a bigger imprint on American politics than the vast majority of people who have held elected office. Whether that impact has been for the good or for bad depends on the politics of the person making the judgement. But the sheer scale of Murdoch’s influence is not in question — something which, in itself, is rebuke to those who mocked his ambitions when he launched Fox News Channel in 1996....