All of us are driven by a simple belief that the world as it is just won't do - that we have an obligation to fight for the world as it should be.

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.

Women should have the freedom to do whatever they need to do to feel good about themselves.

You have to practice success. Success doesn't just show up. If you aren't practicing success today, you won't wake up in 20 years and be successful, because you won't have developed the habits of success, which are small things like finishing what you start, putting a lot of effort into everything you do, being on time, treating people well.

To be able to do it in the warmth and - of the White House and to do it around people who do care about my kids in a country that has been respectful of my children and their privacy, it has been less stressful than I would have imagined for me.

All of us are driven by a simple belief that the world as it is just won't do - that we have an obligation to fight for the world as it should be.

My kids are normal. If they could eat burgers and fries and ice cream every day, they would. And so would I. But that doesn't sustain us.