Don't forget communist nut job, Ward Churchill, who was caught on audio telling an audience of leftist radicals how to get away with terrorist attacks on American soil not long after 911. Also, several former communist-revolutionary Weather Underground members hold 'teaching' positions today, including Bill Ayers, I think, Susan Rosenberg, and some others I can't recall at the moment.
From Investor's Business Daily (IBD), August 27, 2008:
"Ayers, now a tenured distinguished professor of education at UIC, works to educate teachers in socialist revolutionary ideology, urging that it be passed on to impressionable students.
One of Ayer's descriptions for a course called 'Improving Learning Environments' says prospective K-12 teachers need to 'be aware of the social and moral universe we inhabit and ... be a teacher capable of hope and struggle, outrage and action, teaching for social justice and liberation.
The Annenberg papers are quite extensive — 132 boxes containing 947 file folders with 70 linear feet of material. They undoubtedly contain more surprises regarding Obama's relationship with Ayers, one of many relationships Obama has sought to hide.'..."
Article: Annenberg Papers: Putting On Ayers?
http://web.archive.org/web/20090131022531/http://www.ibdeditorial.com/IBDArticles.aspx?id=304729375940845
Article: "No Regrets for a Love Of Explosives; In a Memoir of Sorts, a War Protester Talks of Life With the Weathermen"
http://query.nytimes.com/gst/fullpage.html?res=9F02E1DE1438F932A2575AC0A9679C8B63&sec=&spon=&pagewanted=1