This 2014 documentary, directed by Robert Kenner, delves into the world of professional skeptics who are hired to cast doubt on scientific facts, particularly in areas like climate change and public health. The film explores how these “merchants of doubt” use tactics similar to those employed by the tobacco industry to mislead the public and influence policy. Featuring interviews with key figures and experts, it provides a compelling look at the intersection of science, politics, and public relations. Notably, the film can be viewed for free on 123Movies / Movies123.