John F. Kerry: “Only with a mandatory set of greenhouse gas emission targets will we make any meaningful progress in winning this…”

What we've done in Iraq is what bin Laden could not have hoped for in his wildest dreams.

the burden of proof is way over on this side that we have a problem, this planet has a fever, and it is time to be taking action.

We need to get back to building this bipartisanship in foreign policy. It is critical.

Senator Lugar has--we've talked about this--to close the fuel cycle, to make it not possible for countries to enrich uranium or other fuels to the point that they are left with the fuel.