The greatest advantage of being First Lady is the opportunity it presents to truly make a difference on issues of great importance.

It can be here today and gone tomorrow.

You can never predict what kind of tough decisions are going to come in front of a President's desk. But if you can trust they will do the right thing, and maybe the hard thing, and maybe not the popular thing, and if you really want to know how a person will operate, look at how they've lived their life.

We are all children of the same God, and we have to come together to solve our problems and not be fighting so much.

I know for certain people I'm championing a struggle that they're going through.

Multiple Sclerosis is obviously close to my heart and I'm determined to make a difference in the lives of people who suffer from the disease by raising the profile of MS, as well as raising funds for advocacy and research.

Another son came along 18 months later, although we waited four years to have the third, because Mitt was still in school and we had no income except the stock we were chipping away at. We were living on the edge, not entertaining. No, I did not work. Mitt thought it was important for me to stay home with the children, and I was delighted.