For the quote of mine being referenced, I'm content with the dictionary.com definition of "special interest group": http://www.dictionary.com/browse/special-in

For the quote of mine being referenced, I'm content with the dictionary.com definition of "special interest group": http://www.dictionary.com/browse/special-interest-group http://www.dictionary.com/browse/special-interest-group a body of persons, corporation, or industry that seeks or receives benefits or privileged treatment, especially through legislation.