OK, I'll ask: Should we vote again? By DAVID HORSEY SEATTLE POST-INTELLIGENCER EDITORIAL CARTOONIST At a social gathering in early November, I was cornered by a key player in Christine Gregoire's gubernatorial campaign. He wanted me to know that one of my editorial cartoons had thrown the election to Gregoire's opponent, Dino Rossi. Being my friend, he made his accusation with good humor, but he was clearly serious and obviously disappointed in me. Meanwhile, I was getting heat at work from readers offended by cartoons they interpreted as unfair to Rossi. So it goes with my job. I make everyone...