Merchants of Doubt

How a handful of scientists obscured the truth on issues from tobacco smoke to global warming.

Title: Merchants of Doubt
Overview: Spin doctors spread misinformation and confusion among American citizens to delay progress on such important issues as global climate change.
Runtime: 1 h 36 min
Release Date: 8 November 2014
Actors: Patricia Callahan, Matthew Crawford, Stanton A. Glantz, Katharine Heyhoe
Certification: PG-13
Genres: Documentary; IMDb