The president's job is a lot harder. And that's why I'm working hard to get him re-elected, because he's handled himself with a level of grace and poise that not many people could given the challenges that he's faced.

These are things that we hear from military families everywhere we go. But it - on PTSD, the thing that I want to make sure people understand is that the vast majority of veterans and military families aren't dealing with any kind of mental health. But there are - these are what are called the invisible wounds of this war. And many times they don't present.

I have a very eclectic iPod. So I've got my cardio people - so it's anything from Beyonce to some Jay-Z to Janelle Monae, her song 'Tightrope,' that's a good cardio song. And then I've got Sting. I've got Mary J. Blige. I've got The Beatles. I've got Michael Jackson. I try to pick the songs that I personally love.

People are always going to have opinions, and people have a right to their opinions.

I want to feel like the things I did made a difference. That's one of the reasons I spend time greeting people on rope lines, because I'm always thinking, 'Maybe this interaction, particularly if I'm meeting kids, will change someone's life.' That's how I think about the work I do as First Lady. It's a rare spotlight. I want to make sure I don't waste it.

And I come here as a daughter, raised on the South Side of Chicago - by a father who was a blue-collar city worker and a mother who stayed at home with my brother and me.

Every day, the people I meet inspire me... every day, they make me proud... every day they remind me how blessed we are to live in the greatest nation on earth.