Here’s Senator Obama’s latest attempt to inject humor into his campaign:

“We can’t afford to be divided by race. We can’t afford to be divided by region or by class and we can’t afford to be divided by gender, which by the way, that means, Bernie, you’ve got to clean up your act next time,” Obama said. “This is a family affair. By the way, I’m just messing with you, man.”

I’m sorry, I don’t find this funny at all.