In the days ahead, I will propose more ways for more Americans to get involved in national service and give back to our communities, because every one of us has a role to play in building the future we want.

I really believe being a good listener is important for anybody, and particularly for somebody who wants to be a leader.

It plays right into the hands of ISIS. And that's why Americans need to know that Donald Trump's words are being used in recruitment videos that ISIS is putting out. I think that is a very serious problem.

I'm going to keep speaking out about what Donald Trump says, because I'm getting messages from leaders around the world who are just bewildered. They want to know what's going on.

Often those who are denied rights are least empowered to bring about the changes they seek.

No one wants their personal emails made public, and I think most people understand that and respect that privacy.

In almost every profession - whether it's law or journalism, finance or medicine or academia or running a small business - people rely on confidential communications to do their jobs. We count on the space of trust that confidentiality provides. When someone breaches that trust, we are all worse off for it.