John Kerry: “I don't know whatever happened to Governor Dean's positive campaign. But it's the shortest lived positive campaign I've…”

no country can solve the climate crisis alone. This requires multilateralism automatically.

We are competing, but everybody has their own approach, which is one of the exciting things here.

It's very obvious that there are huge threats here.

There is no current proposal or plan that has been agreed to which would require us to do that.