PROGRAMMING NOTE: Watch CNN Original Series “Live Aid: When Rock ’n’ Roll Took On the World,” celebrating the definitive story of how two rockstars inspired the largest global music events in history.

I surely don't need to say this, but now I can testify: At 82, Paul McCartney has so much swag it's ridiculous. The Cute One has been a rock paterfamilias for decades, through the ups and downs of a ...