Today's multiracial Americans are at greater liberty to choose how they'd like to be seen, and under less pressure to pass for white.

True patriots measure themselves not by personal wealth or power but by the degree to which they contribute to the community.

If half-black Barack Obama had decided years ago to call himself white - which his genes certainly entitled him to do - his story would have carried very different meaning. If millions of part-black people had followed him into whiteness, then the N.A.A.C.P. would be in true crisis.

Today's multiracial Americans are at greater liberty to choose how they'd like to be seen, and under less pressure to pass for white.

We tend to think of politics as bad, full of dirty tricks, negative ads, big campaigns, but I am here to explore the original meaning of politics, which is positive and has to do with balancing competing interests and looking for solutions.

If whiteness were of no particular advantage, then having a fuller color wheel of skin tones would be purely a matter of celebration. But whiteness - just a drop of it - does still carry privilege. You learn that very young in America.

What does purpose mean? It means the deepest desire for our short lives to mean something. . . . To speak a language of purpose is to return to first principles and to be able to answer, in plain English, the plain questions of Why? Why should we chip in to help someone else? Why should we defer gratification? Why should we care about the long term? Why should we trust anyone who seems to be limiting our ability to do what we want?