Part of the reason that our politics seems so tough right now and facts and science and argument does not seem to be winning the day all the time is because we're hardwired not to always think clearly when we're scared. And the country's scared.

I learned to slip back and forth between my black and white worlds. One of those tricks I had learned: People were satisfied so long as you were courteous and smiled and made no sudden moves. They were more than satisfied; they were relieved -- such a pleasant surprise to find a well-mannered young black man who didn't seem angry all the time.

Like Joe Biden and so many other Americans, I've lost people I love deeply to cancer. I've heard often from those whose loved ones are suffering from Alzheimer's, addiction, and other debilitating diseases. Their heartbreak is real, and so we have a responsibility to respond with real solutions.

Boston is a tough and resilient town. So are its people. I'm supremely confident that Bostonians will pull together, take care of each other, and move forward as one proud city. And as they do, the American people will be with them every single step of the way.

We have the power to make the world we seek, but only if we have the courage to make a new beginning.

My hope is that the president-elect [Donald Trump] coming in takes a similarly constructive approach, finding areas where we can cooperate with Russia, where our values and interests align. But that the president-elect also is willing to stand up to Russia where they are deviating from our values and international norms.

We may come from different places and have different stories, but we share common hopes, and one very American dream.