Sustaining the energy and focus involved in doing a good job I think starts to gets tougher the longer you do it.

We are a nation of laws.

In the white community, the path to a more perfect union means acknowledging that what ails the African-American community does not just exist in the minds of black people; that the legacy of discrimination - and current incidents of discrimination, while less overt than in the past - are real and must be addressed.

My second piece of advice is to stay global. As the world continues to change and we become more connected to each other, globalization will bring both benefits and disruptions to our lives. But either way, it's here, and it's not going away.

I think the Prime Minister is the first to acknowledge that Malaysia's still got some work to do. Just like the United States, by the way, has some work to do on these issues. Human Rights Watch probably has a list of things they think we should be doing as a government.

Arne Duncan is done more to bring our educational system, sometimes kicking and screaming, into the 21st century than anyone else.

We reject the use of national security letters to spy on citizens who are not suspected of a crime.