[NOTE: This post was updated December 2017] Politicians and car salesmen are notorious for being dishonest. But what’s often overlooked are skilled liars who might be a coworker, a supervisor, a top executive, a family member, or even a neighbor. It isn’t until a major scandal, like the ones involving Ponzi schemers Allen Stanford and Bernie Madoff, that people take note that lying is more pervasive and much more difficult to detect than we think. The scandal in 2009 involved