I don't think I'm egotistical as much as I'm taking responsibility for what I'm putting out there.
People are struggling. They're trying to make ends meet, and they're looking for Washington to deliver for them. And they don't feel that that's been happening as quickly as it should. We share that frustration. There's no one more frustrated than President Obama.
When the first fossils began to be found in eastern Africa, in the late 1950s, I thought, what a wonderful marriage this was, biology and anthropology. I was around 16 years old when I made this particular choice of academic pursuit.