We live in a complex world and at a challenging time.

Teddy Roosevelt supported a progressive income tax. If I am sitting pretty and you've got a waitress who is making minimum wage plus tips, and I can afford it and she can't, what's the big deal for me to say, 'I'm going to pay a little bit more'? That is neighborliness.

Insurance companies, drug companies are going to have to be ponying up, partly because right now they're receiving huge subsidies.

Rather than pointing fingers or assigning blame, let’s use this occasion to expand our moral imaginations, to listen to each other more carefully, to sharpen our instincts for empathy and remind ourselves of all the ways that our hopes and dreams are bound together.

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.

Sometimes people just feel as if we want to try something to see if we can shake things up.

The strongest democracies flourish from frequent and lively debate, but they endure when people of every background and belief find a way to set aside smaller differences in service of a greater purpose.