Climate change is one of the issues I worry most about because its impacts are enormous. But they're gradual, they're not immediate.

The ultimate goal is two states for two people: Israel as a Jewish state and the homeland for the Jewish people and the State of Palestine as the homeland for the Palestinian people - each state in joined self-determination, mutual recognition, and peace.

If we want to really reduce foreign influence on our elections, then we better think about how to make sure that our political process, our political dialogue is stronger than it's been.

I know CNN has taken some knocks lately but the fact is, I admire their commitment to covering all sides of the story, just in case one of them happens to be accurate.

We are reaching a tipping where the pace of settlements, during the course of my presidency has gotten so substantial that it's getting harder and harder to imagine an effective, contiguous Palestinian state. And I think it would have long-term consequences for peace and security in the region, and the United States, because of our investment in the region, and because we care so deeply about Israel, I think has a legitimate interest in saying to a friend, "This is a problem."

It [is] that courage that Africa most desperately needs.

Those of us in positions of responsibility, we'll need to be less concerned with the judgment of special interests and well-connected donors, and more concerned with the judgment of posterity.