It does not surprise me that Al Gore is strongly opposed to SOPA/PIPA. The drug companies forgot to include him in their bribery whoops, I mean "lobbying" efforts.

Few have analyzed the source of private financial support for the Internet Censorship Act (my own pet name for the bill), but I would venture that Big Pharma has spent more on it than Big Entertainment. Here are some familiar names from the House Judiciary Committee on SOPA/PIPA corporate supporters:

Alliance for Safe Online Pharmacies (ASOP)
Pfizer, Inc
Elsevier (as a proxy for Merck)
Pharmaceutical Research and Manufacturers of America (PhRMA)
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