Why did we turn on the Jews so quickly? And what do we do about it now? The custom of circumcising the flesh … was given to you [Jews] as a distinguishing mark…. The purpose of this was that you and only you might suffer the afflictions that are now justly yours; that only your land be desolated, and your cities ruined by fire, that the fruits of you land be eaten by strangers before your very eyes. —Justin Martyr, Dialogue with Trypho, A.D. 138–161 We tend to think the birth of Christ was intended to be a blessing for…