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Posted by George W. Maschke
 - Mar 06, 2007, 07:04 PM
Northwestern University history professor Ken Alder, author of The Lie Detectors: The History of an American Obsession has added to his personal website a section devoted to his new book:

http://www.kenalder.com/liedetectors/index.htm

It includes a pictorial essay with numerous historic photographs as well as some video clips.