Been obliterated by Denise Minger. I don't think anyone has torn into it as much as she has. Read her posts from the beginning for the full effect. www.rawfoodsos.com
Long story short, it's full of bad science.
Some really good takedowns on the web regarding TCS... here is one http://feastingonfitness.blogspot.com/2010/04/study-everyone-talks-about-part-1.html
I like Ned Kock's series.
Another good one http://rawfoodsos.com/2010/07/07/the-china-study-fact-or-fallac/
Cheapest ethical protein source? 15 Answers
Meat, Eggs, Dairy, and Protein 3 Answers