Exercise is really important to me - it's therapeutic. So if I'm ever feeling tense or stressed or like I'm about to have a meltdown, I'll put on my iPod and head to the gym or out on a bike ride along Lake Michigan with the girls.

We've gotten commitments from medical schools, from nursing schools, to step up and increase that pool of knowledgeable individuals.

I always want to be on the cusp of being in the best shape that I can be.

I grew up on the south side of Chicago in a working class community. There were no miracles in my life, there's nothing miraculous about how I grew up, and I want people to know when they look at me, to be clear that they see what an investment in public education can look like.

We learned about dignity and decency - that how hard you work matters more than how much you make... that helping others means more than just getting ahead yourself.

Barack and I have been in the public eye for many years now, and we've developed a thick skin along the way. When you're out campaigning, there will always be criticism. I just take it in stride, and at the end of the day, I know that it comes with the territory.

The idea that we are our brother's keeper and our sister's keeper. That we should treat others as we would want to be treated. And that we care for the sick... feed the hungry... and welcome the stranger... no matter where they come from, or how they practice their faith.