Barack Obama: “Today, it falls on us to honor their legacy by taking our place in their march and doing our part to perfect the Union…”

I’m going to insist that we can do better than we’re doing right now.

A drift towards extremism was "not inevitable

It is a decision about how do we face and embrace this finite amount of time we have on the planet.

I think when we act on that basis, it doesn't always work out, but over time things do get better.