Chuck Hagel: “Climate change is a national security threat.”

When the National Guard opened up on students and killed students, partly because they weren't trained, they panicked.

This is so unpredictable. And we've never seen anything quite like this in our lifetime, so there is no playbook here.

It's the Trump Party.

Planning for climate change is not some frivolous waste of time, a waste of money. It is essential to our troops and to their wellbeing, and the national security of this country.