As I get older, there are fewer and fewer times when I'm on the list of "smartest guys in the room," and I'm okay with that. I don't chew tables and I don't try to walk with both feet going forward at the same time, so I do all right. In CBS' revved-up new drama Scorpion, viewers enter the world of someone who is always the smartest guy within thousands of square miles of the room. His name is Walter O'Brien. Click To