Read the full post, ANIMAL FACTORY Book Excerpt - Is Manure a Hazardous Substance? Blanche Lincoln Says "No" at Huffington Post. We have a contest running for a signed copy of David's book, enter HERE.

In my new book, "Animal Factory - The Threat of Industrial Pig, Dairy and Poultry Farms to Humans and the Environment," I describe the efforts of Pro-Agribusiness members of Congress who are working hard to make sure that spilled animal waste from industrial farms is exempted from federal Superfund clean-up rules.

The now-endangered Senator Blanche Lincoln (D-AR), along with House Agriculture Committee Chair Collin Petersen (D-MN), are among several outspoken congressional champions of a rather obscure piece of legislation on a topic that few Americans spend much time pondering: Who should pay for manure spills at animal factories?

Ever since 2007, their efforts to undermine the Superfund law by permanently exempting manure as a hazardous waste has been "ruffling feathers on Capitol Hill," according to Politco.com.

Their bill did not pass, and has not yet been reintroduced in the current Congress. But it does beg the question: Is manure an organic fertilizer, or it is a dangerous pollutant with potentially devastating consequences for human health, the environment, and even local economies? It can, in fact, can be both...