In contrast, they estimate that only 1% of the overall US population are psychopaths. Alas the article doesn't go into detail about what they mean by "psychopa

In contrast, they estimate that only 1% of the overall US population are psychopaths. Alas the article doesn't go into detail about what they mean by "psychopath" other than that they "use words to manipulate and con and to interact with you without the baggage of feeling your pain." Which is certainly a good recipe for climbing the corporate ladder in a lot of companies!