Info courtesy of hotair.com : http://hotair.com/archives/2009/04/15/top-homeland-security-democrat-objects-to-dhs-report-on-right-wing-extremism/

The best line from the article:
“As I am certain you agree, freedom of association and freedom of speech are guaranteed to all Americans — whether a person’s beliefs, whatever their political orientation, are ‘extremist’ or not,” -Rep. Bennie G. Thompson of Mississippi, chairman of the House Homeland Security Committee

 Mr Thompson is no where close to being a "Blue Dog" Democrat, and generally very liberal.

Ed Morrissey put it correct though, give credit to where it is due. And in this case, Rep. Bennie Thompson has earned that for standing up and voicing his criticism against the DHS and Janet Napolitano on the report