We're told that to be great is to be bold, to be happy is to...

We're told that to be great is to be bold, to be happy is to be sociable. We see ourselves as a nation of extroverts -- which means that we've lost sight of who we really are. Depending on which study you consult, one-third to one half of Americans are introverts -- in other words one out of every two or three people you know.