Sir Paul McCartney certainly cleaned up the Super Bowl half-time show's image, didn't he? Nothing racier was to be seen than a spiffy red shirt, revealed by McCartney removing his coat. It was during the first half of play, however, that Mr. McCartney impressed me with his supreme confidence. If you were watching the game, you saw a number of "cutaways" of Paul McCartney enjoying the proceedings from a V.I.P. box. If I am not mistaken, one of those closeups was seen at the two-minute warning, just moments before the half-time show was to begin. That may not seem like...