There's a long back-and-forth between Kurt Harris and McArdle http://www.theatlantic.com/business/archive/2011/04/are-grains-making-us-fat/237030/#comment-18105

There's a long back-and-forth between Kurt Harris and McArdle http://www.theatlantic.com/business/archive/2011/04/are-grains-making-us-fat/237030/#comment-181051094 http://www.theatlantic.com/business/archive/2011/04/are-grai... in the comments.