EditorialThe Auschwitz-Birkenau Memorial and Museum, site of a Nazi concentration and extermination camp, in Oswiecim, Poland, Feb. 4, 2018. (Maciek Nabrdalik/The New York Times)
EditorialVisitors at the former Auschwitz Nazi concentration camp, now part of the Auschwitz-Birkenau State Museum, in Oswiecim, Poland, Feb. 4, 2018. (Maciek Nabrdalik/The New York Times)