Barack Obama: “nuclear terrorism is the single biggest threat to U.S. security, short-term, medium-term, and long-term.”

No one was more skilled at bringing people together and getting legislation passed.

There’s no doubt that we are going through a period right now of disruption, polarization.

People aren't looking for perpetual anger and division. They are looking for fairness and common sense and mutual respect, that deep in our gut, we want to find a way to turn towards each other again, not further away.

helped lead some of the most significant movements for change in human history