Leibovitz talks Bowie, Merkel and Trump at new London exhibition Photographer Annie Leibovitz pays tribute to David Bowie, says the woman she would most like to photograph is Angela Merkel, reveals she is not afraid of Donald Trump, and enthuses about selfies and phone photography, as she opens the first leg of a new worldwide exhibition tour, 'Women: New Portraits', at a converted hydraulic power station in London. IMAGES AND SOUNDBITES