Done sketching in a Starbucks at Chulavista, CA. I just loved this old man's face and posture - I hadn't been this absorbed in a drawing for a while. He just sat there, read for about an hour and then stood up and left.
I actually managed to get the nerve to show him the sketch, and he said it was really good. I normally try to be invisible for my models, but this time... I don't know. I had to do it, don't ask me why.