Heather MacDonald offers this, which is sure to get the usual suspects and various Lysenkoists up in arms: The myth of the redemptive Hispanic is finally cracking. For years, conservative open-borders advocates have touted Hispanic "family values" as a prime reason to increase immigration. Hispanic immigrants, these conservatives say, will save America from itself. At a time when Anglo and black families are disintegrating, when society is becoming increasingly atomized and alienated, Hispanics will bring the traditional values that the country so desperately needs. In a classic iteration of...