The idea of the Overton Window is that there`s a fairly...

The idea of the Overton Window is that there`s a fairly narrow window of proposals in any particular policy area that people will take seriously that wouldn`t get you written off as a kook. The way to move or expand that window is to advocate super extreme positions which change the realm of what`s politically possible because after something super nuts has been . floated, thereafter, slightly less nuts positions will start to look acceptable and moderate by comparison.