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Hallin's spheres


Hallin's spheres is a theory of media objectivity posited by journalism historian Daniel C. Hallin in his book The Uncensored War to explain the coverage of the Vietnam war. Hallin divides the world of political discourse into three concentric spheres: consensus, legitimate controversy, and deviance. In the sphere of consensus, journalists assume everyone agrees. The sphere of legitimate controversy includes the standard political debates, and journalists are expected to remain neutral. The sphere of deviance falls outside the bounds of legitimate debate, and journalists can ignore it. These boundaries shift, as public opinion shifts.

Hallin's spheres, which deals with the media, are similar to the Overton window, which deals with public opinion generally, and posits a sliding scale of public opinion on any given issue ranging from conventional wisdom to unacceptable.

Hallin used the concept of framing to describe the presentation and reception of issues in public. For example, framing the use of drugs as criminal activity can encourage the public to consider that behavior anti-social. Hallin also used the concept of an opinion corridor, in which the range of public opinion narrows, and opinion outside that corridor moves from legitimate controversy into deviance.

This sphere contains those topics on which there is widespread agreement, or at least the perception thereof. Within the sphere of consensus, 'journalists feel free to invoke a generalized "we" and to take for granted shared values and shared assumptions'. Examples include such things as free speech, the abolition of slavery, or human rights. For topics in this sphere "journalists do not feel compelled to present an opposing view point or to remain disinterested observers."

For topics in this sphere rational and informed people hold differing views. These topics are therefore the most important to cover, and also ones upon which journalists are obliged to remain disinterested reporters, rather than advocating for or against a particular view. Schudson notes that Hallin, in his influential study of the US media during the Vietnam War, argues that journalism's commitment to objectivity has always been compartmentalized. That is, within a certain sphere—the sphere of legitimate controversy—journalists seek conscientiously to be balanced and objective.

Topics in this sphere are rejected by journalists as being unworthy of general consideration. Such views are perceived as being either unfounded, taboo, or of such minor consequence that they are not news worthy. Hallin argues that in the sphere of deviance, 'journalists also depart from standard norms of objective reporting and feel authorized to treat as marginal, laughable, dangerous, or ridiculous individuals and groups who fall far outside a range of variation taken as legitimate.' For example, a person claiming that aliens are manipulating college basketball scores might have difficulty finding media coverage for such a claim.


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