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https://bloggingmothersmagazine.com/2014/05/19/alinsky-tactics-being-used-to-derail-stopcommoncore-activists-the-delphi-technique-what-it-is-and-how-to-disrupt-it/
Alinsky tactics being used to Derail #StopCommonCore activists, The Delphi Technique – What it is and How to Disrupt it…