The power, the control, the macho head games. The thrill of having so many souls hanging on your every gesture. It's Roger Federer, of course, but as you'll see here, it's not the tennis giving him that glint in his eye.
Listen to what one of the commentators calls him at 1:37 into the clip. The man may have missed his true calling.
First posted on Norman Lebrecht's Slipped Disc.