Barack Obama: “So I am here today to say that the climate change constitutes a serious threat to global security and an immediate risk…”

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.

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.

This race is going to be close. It could determine which party controls the Senate and whether Ohioans can count on the people in Washington to be fighting for you.