Some years back neurologist Oliver Sacks wrote a fascinating vignette of an intriguing neurological difficulty. As some of you know, Tourette's Syndrome is a bizarre mental disorder that causes victims to have any number of physical and verbal tics. Some Tourettic people have constant facial twitches, others find themselves uncontrollably uttering verbal whoops, beeps, and sometimes also raunchy swear words. One man with Tourette's whom Dr. Sacks knew was given to deep, lunging bows toward the ground, a few verbal shouts, and also an obsessive-compulsive type adjusting and readjusting of his glasses. The kicker is that the man is a skilled surgeon! Somehow and for some unknown reason, when he dons mask and gown and enters the operating room, all of his…