A: At the very end, President Obama leaves the stage and shook hands with my longtime associate, my guitar roadie John Hammel. John was taken aback. The president said, "That was fun, wasn't it? Thank you." But the thing that I thought was amazing was he then reached over to our keyboard technician who was a little out of the way, and he didn't need to do that. He reached over to this guy D.J., who is a big admirer of Obama's, and he took his hand and said, "Thank you, thank you." I was blown aw