Contradicting the faultless, albeit far-fetched image he has of himself, Barack Obama is a man harassed by truth. That's why, judging from his inability to accept personal responsibility, Barack Obama must be living in a constant state of agitated cognitive dissonance. The late Leon Festinger is the social psychologist who proposed the theory of cognitive dissonance. According to Festinger, until the person suffering with perceptual disharmony can find a way to justify wrong actions and decisions, it's impossible to achieve a calm mental state, especially when those wrong actions and decisions challenge the way the cognitively dissonant individual sees himself.That's...