Cheers of “Slava Ukraini” (Glory to Ukraine) rang out in the Berlinale Palast on Thursday at the world premiere of the brilliant but heart-rending documentary “Strichka chasu” (Timestamp), about the superhuman efforts Ukraine has made to keep schools open during 10 years of war with Russia. Directed by Ukrainian documentary maker Kateryna Gornostai, the two-hour-long…Read more Ukraine doc “Timestamp” is riveting study of schools in wartime