Ta-Nehisi Coates in The Atlantic: The Dark Art of Racecraft.
Will Wilkinson in The Economist: The Richwine Affair.
Diego von Vacano at the Monkey Cage: IQ and the Nativist Movement.
Zack Beauchamp in Think Progress: The Inside Story of The Harvard Dissertation That Became Too Racist For Heritage.
[Update: Jason Richwine Responds On Race, IQ, And His Dissertation, and Beauchamp's reply.]