Like all of us, she has humorous idiosyncrasies (leading a technology firm while still using a pen and paper notebook), she has felt like a failure (divorce at a young age) and success has not always come easily (arriving at Harvard feeling woefully unprepared relative to her peers).

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Drawn on a piece of paper, the spokesman said it was "full of the pop art motifs we have now come to recognise, including Warhol's signature bright red lips, made using lipstick, and a typically pop art blocked background, coloured with green and orange felt-tip pen".

BBC: Warhol sketch