You've said that the photos that stand out to you the most are the highly personal moments, such as when washington, d c was buried in a snow storm and president obama went outside and played with his daughter. That's when you saw him as a human versus a president. Over the eight years you shot him in the white house, how did you see president obama change over the course of his tenure? Ah, his hair got a little greyer, that's true. But you know, the character of the guy didn't change. I mean, there there's some things you can't prepare for as president.