me. >> you've seen division before. our country's really divided now. i would imagine there was a big division during -- >> during the vietnam war, absolutely. but there's a big difference. >> tell me. what is it? >> there's a ticking time bomb kind of looming over everything that we didn't have or we didn't realize that we had during the vietnam war, which is the climate crisis. this is human kind has never been in a situation like this where we face the kind of dangers that could kill hundreds of millions of people, that could force mass migrations, could create health pandemics. i mean, just look at the fires and the floods and the sea risings and all the things that are happening right now, and imagine they're happening one right after the other, and we don't have time to catch up. what happens to the economy? what happens to our national security, right? so it's never been that way before ever. >> is it more important in this election, this upcoming election in 2020 for a candidate to have