Where you are right now doesn't have to determine where you'll end up.

John F.Kennedy gave probably the greatest inauguration speech ever that first time, but I guarantee you when he first walked out there he was thinking, "Goodness gracious this is big and I better be up to the task."

Here's the truth: even if countries like the United States curb our emissions, if growing countries like India - with soaring energy needs - don't also embrace cleaner fuels, then we don't stand a chance against climate change.

I know that the politics around trade can be very difficult - especially in an election year.

Working full-time should mean enough to support a family.

It is legitimate for the Turks to try to defend themselves.

Going back to the discussion we were having about immigration reform, some of the most challenging discussions I've had are with activists who essentially would argue that any immigrant from Central America, let's say, who gets here to this country should be allowed to stay because their country is dangerous, their country is poor, and the opportunities for that mom and that kid are much greater here, and why would you send them back?