You can make yourself feel better about yourself if you project your shadow side, if you project your own potential for evil onto someone else. By annihilating them and, therefore, your shadow, you bring yourself into some state of purity or reformation.
“It's just a matter of hitting the ball where I want to hit it and hopefully making some putts.”
“Democracy still has a real hope and chance in Iraq, and true freedom in this country would be the greatest testament to those who gave their lives for it.”