In 2010, the world's wealthiest art institution, the J. Paul Getty Museum, found itself confronted by a century-old genocide. The Armenian Church was suing for the return of eight pages from the Zeytun Gospels, a manuscript illuminated by the greatest medieval Armenian artist, Toros Roslin. Protected for centuries in a remote church, the holy manuscript had followed the waves of displaced people exterminated during the Armenian genocide. Passed from...