Barack Obama: “By choosing Senator Harris as America's next vice president, Biden has underscored his own judgment and character.”

When we choose, when we make that decision, I do believe – and there is evidence for this – that the world gets incrementally better, and that is a worthy goal and it’s worth fighting for.

Looking forward to being in Detroit on 10/24 to campaign for Jocelyn Benson, Abdul El-Sayed and Democrats up and down the ballot in Michigan.

A drift towards extremism was "not inevitable

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