In further news: gallery sues Christie’s over ‘bargain basement’ Francis Bacon sale; Van Gogh’s ‘Sunflowers’ heads to Japan
In further news: photojournalism has its #MeToo moment; Nan Goldin stages anti-opioid protest at Harvard; Man Booker longlist announced
From Capote to Basquiat, the pop artist’s glittering ‘visual diary’ of the last years of his life is seen for the first time