How to spot a liar.
I don't think I'm good at spotting liars. I don't usually recognize the that I've been lied to until after "things just don't add up," and that might be a long time after the lie occurs. I'm almost always surprised when it turns out that my trust was betrayed. This two-minute How-Cast video gives a brisk summary of some some advice that resonates with me. Now I'll just have to see if I'll be able to employ this advice to good effect.