Archive for January 21st, 2010

Thursday Morning Riddle

Thursday, January 21st, 2010

I’m addition, subtraction; I’m Not, But, and And;
I’m a surgical process that’s carefully planned;
I’m an action covert with a central command;
And a game where it helps to be steady of hand.

Who am I?

UPDATE: Riddle solved by Bronx Richie. See comments for answer.