AMLE talks to Rebecca Kordatzky about "IDK"

AMLE talks with author Rebecca Kordatzky about her AMLE Magazine article, "Derailing 'IDK'". http://www.amle.org/BrowsebyTopic/WhatsNew/WNDet/TabId/270/ArtMID/888/ArticleID/743/Derailing-IDK.aspx

I have never been in a train wreck, but I have been in chaos created during a class discussion when a student sullenly mumbles, "I don't know." Lesson derailment! Disastrous emotional derailment! Let's investigate the crash site. What? Why? How?