He points out that most Americans think there own lives are good and getting better. We think most things will be better in the future (except morals). We think things were good in the past.
What we can't admit is that things are getting better in the nation and the world now.
This leads me to propose a first step:
The simplest way to make the world a better place than it is now is to see that the world is a better place than it was before.