Democrats talk about programs like Social Security or Medicare, but it's not clear to most voters what Democrats' core moral values are.

The Righteous Mind: Why Good People are Divided by Politics and Religion.

Liberals have difficulty understanding the Tea Party because they think it is a bunch of selfish racists. But I think the Tea Party is driven in large part by concerns about fairness.

It only takes twenty generations of selective breeding to create large differences or appearance and behavior in other mammals.

I'll suggest that the happiness hypothesis offered by Buddha and the Stoics should be amended: Happiness comes from within, and happiness comes from without. We need the guidance of both ancient wisdom and modern science to get the balance right.

People who devote their lives to studying something often come to believe that the object of their fascination is the key to understanding everything.

Happiness requires changing yourself and changing your world. It requires pursuing your own goals and fitting in with others. Different people at different times in their lives will benefit from drawing more heavily on one approach or the other.