Author-activist Naomi Klein has won the inaugural Women’s Prize for Nonfiction with “Doppelganger”, a personal account of her plunge into the world of online misinformation. Its sister award, the Women’s Prize for Fiction, went to US writer V. V. Ganeshananthan for her novel “Brotherless Night,” about a family torn apart by Sri Lanka’s long civil war. Both come with £30,000 pounds (€35,000) in prize money. Both winners referenced the conflict-clouded international situation, at a time when the arts world is grappling with divisions over the Israel-Hamas war and corporate sponsorship of the art…