[FrdmLvr]

It sounds like the Overton Window is the Hegelian Dialectic.
http://www.crossroad.to/articles2/05/dialectic.htm

[Gen.Blather]

“It sounds like the Overton Window is the Hegelian Dialectic.”

Yes, but “Overton Window” is easier to pronounce, less intimidating; and Hegel gives me a headache.