There is an observable six-step framework that strategists use to take an idea considered completely unthinkable today and turn it into everyday government policy. This deep dive explores the Overton Window, developed in the early 1990s by Joseph Overton of the Mackinac Center for Public Policy, and his thesis that a politician’s viability depends not on personal conviction but on whether an idea falls within a narrow range of public acceptability, plotted on a vertical axis from more free to less free.

We walk through Joshua Trevino’s six degrees of acceptance using the history of the eight-hour workday, explain the door-in-the-face technique of floating unthinkable proposals to normalize radical ones, and examine Joseph Lehman’s claim that lawmakers only detect the window rather than move it. We also look at the framework’s surprising use in neonatal medical ethics, where the resuscitation of 22-week premature infants moved from unthinkable to standard policy.

• Why Overton used a vertical axis of government intervention instead of left versus right
• Unthinkable, radical, acceptable, sensible, popular, policy: the six stages explained
• How the 40-hour workweek traveled from anarchist plot to the Fair Labor Standards Act
• Politicians as surfers who ride cultural waves rather than create them
• The neonatology example and how the window shifts inside our own minds