Happy Birthday, Mick Jagger!

Mick Jagger can pack an auditorium at 77; will your career or company be that long-lived?

July 26th will be Mick Jagger’s birthday — you know, the frontman for the Rolling Stones. As I write this, he’s turning 77. Even he doesn’t have the moves like Jagger anymore. I know that because I paid big money to see him at a major venue in Houston just a few…