True Blue Moon
Superstar
Yeah, not saying he can't or won't apologize, but that didn't even sound like him or how he would apologize if he did. I think he truly thought the joke was light and was bewildered by the intense reaction.
EDIT:
And he has a goofy persona but as a man I know having to eat that slap didn't sit well with him to be this immediately gracious and apologetic about it