Donald Trump didn't emerge from the orthodoxy of the Republican Party. And so there's going to be bigger differences than normal.

President Obama was the first president not to abide by the limits in the general election.

When you're in governance, you understand the limitations and the complexities of governance.

I think there are two basic approaches you can use for campaign finance. One is complete openness, everybody knows absolutely everything, but no limits. But you let people decide.The other is just have a national public system.

The message of the summoned life is that you don't need to panic if you don't yet know what you want to do with your life. But you probably want to throw yourselves into circumstances where the summons will come.

It's important for presidents to emotionally connect, with the country in times of crisis, but also with people in Washington. If you can't emotionally connect - and [Barack] Obama is not the greatest, but he can at least do it - then people won't be with you when the times are hard.

The thing that should most concern us is a shift in American foreign policy. We have had a bipartisan belief in American foreign policy based on the post-World War II institutions that believed in democratic global world, which Russia and the Soviet Union was often seen as hostile to. And most Republicans and Democrats have always basically believed in this world order. Donald Trump and Vladimir Putin and maybe Marine Le Pen do not agree with this basic structure of the world.