John Kerry: “It's wrong to tell scientists that they can't cross the frontiers of new knowledge. It's wrong morally and it's wrong…”

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

Obviously, we're already seeing ways in which it's going to affect people.

But, we could with battery. We could with-- there's ways to make that work.

I do not think that the choice we make with respect to Africa ought to be just based on what China is doing.