Poland’s chief rabbi has described as a “disgrace” new memorial stones to a wartime pogrom in Nazi-occupied Poland, disputing that ethnic Poles were among the perpetrators. At least 300 and as many as 1,600 Polish Jews – many women, children and the elderly – died on July 10th, 1941, in the village of Jedwabne in northeastern Poland when they were rounded up and burned alive in a barn. Research in the last 25 years has established that local villagers, ethnic Poles, were among those who rounded up and killed their neighbours. These revelations in 2000 about the Polish perpetrators caused...