https://antipolygraph.org/blog/2011/11/12/cain-backpedals-on-lie-detector-cites-layered-voice-analysis/ News about polygraphs, voice stress analyzers, and other purported "lie detectors." Tue, 12 Nov 2013 13:13:48 +0000 hourly 1 http://wordpress.org/?v=3.7.1