President Barack Obama and First Lady Michelle Obama
Watch President Obama discuss what he hopes his legacy will be
"I think this is the greatest country on earth, but I want everybody to feel in their own lives, day to day, that opportunity is right there in front of them," he says.
Getting that message out there can be difficult in a divisive capital. "Our politics are too splintered. It trivializes important issues," President Obama says. "I have not been able to change Washington's tone as much as I wanted. I thought I could, and probably was overly optimistic. I still think I can—it just takes more time."