In yesterday's market commentary we noted (as did Gary Blumenthal in his policy comments) that the owners of the largest Chinese meat packing company, Shuanghui International Holdings Ltd., had agreed to purchase Smithfield Foods Inc., the largest U.S. hog producer and pork processor. In 2012 Smithfield had revenues of about $13 billion. The price of the proposed purchase is $4.7 billion, or $7.1 billion including Smithfield's debt. It seems to us that this proposed transaction deserves a closer look because it inevitably will involve some of the stress points in today's food chain as well as give various critics of the food chain to sound off.The purchase of Smithfield would be the largest Chinese takeover of a U.S. company by far. As su...