The [[Overton window]] is a a concept where any political idea can eventually become accepted as long as it is framed in a specific way. On a scale where Radical is on one side and Absurd is on the other side, the Overton window starts in the middle where ideas are Accepted and Tolerated. Then a politician brings up an idea that is either Radical or Absurd, and the public discourse begins, moving the Overton window towards that idea just by initiating a dialogue.