Microexpressions

Paul Ekman, the eminent scientist behind micro facial expressions, dissects the unconscious tics of deceit used by A-Rod:

Ms. Couric asked Mr. Rodriguez if he had ever been tempted to use illegal drugs. He answered with a simple "No" accompanied by what might be a microfear expression, according to Dr. Ekman - a horizontal stretching of the lips that is often an effort to conceal fearfulness.

"The fear of being disbelieved is the same as fear of being caught," Dr. Ekman said. "He is afraid tha