Rupert Murdoch rarely has to answer for the alternative realities presented by his hugely profitable US cable network, Fox News.
Its conspiratorial claims of a parade of cover ups from the 2012 Benghazi attack to the climate crisis and Covid-19 have been lapped up by Fox viewers and scorned by much of the rest of America, and then the world moved on. But on Tuesday, the 91-year-old billionaire media mogul will be obliged to answer difficult questions under oath about the inner workings of Fox.