My son, the rock star Twitter king?

Yes, it's true, soon-to-be-legendary rock guitarist Robert Stacy McCain Jr. is on Twitter.

Bob's got my arrogance, whereas his twin brother Jim has my charm. This difference probably explains why Bob devotes so much time to his guitar thing, while Jim -- who plays both guitar and bass -- isn't so much into the Young Rock God trip. Jim can actually talk to girls, whereas Bob lazily stands around expecting to be admired for his awesomeness.

Being a parent is an educational experience about the decisive role of temperament in human affairs . . .