Overton window

What shall we discuss? Or, what shall we discuss and be taken seriously? A person can throw out almost any idea, but many of those ideas may be batted aside as nonsense. At least, they may be batted aside as nonsense today; tomorrow, the idea might be more acceptable, or even a majority opinion.

That’s the concern of the “Overton Window of Political Possibilities.”
Joseph Overton, an academic at the Mackinac Center for Public Policy in Michigan, developed the concept in the mid-90s. The cent...