Often times when you face such an overwhelming challenge as global climate change, it can be somewhat daunting - it's kind of like trying to lose weight, which I know something about.

I suppose I could have stayed home and baked cookies and had teas, but what I decided to do was to fulfill my profession, which I entered before my husband was in public life

I'm going to continue to push for a no-fly zone and safe havens within Syria not only to help protect the Syrians and prevent the constant outflow of refugees, but to, frankly, gain some leverage on both the Syrian government and the Russians so that perhaps we can have the kind of serious negotiation necessary to bring the conflict to an end and go forward on a political track.

We'll keep guessing at what it might be that he's hiding. But I think the question is, were Donald Trump ever to get near the White House, what would be those conflicts?

'Smart power' is the use of American power in ways that would help prevent and resolve conflict - not just send our military in.

My plan is based on growing the economy, giving middle-class families many more opportunities. I want us to have the biggest jobs program since World War II, jobs in infrastructure and advanced manufacturing.

We should remember that just as a positive outlook on life can promote good health, so can everyday acts of kindness.