"Will it take America / or will it take a smile? / I'm hoping, I'm hoping / we can work it out"

Stupid joke time!

So C, E-flat, and G walk into a bar, and the bartender says, "I'm sorry, we don't serve minors."

A five-dollar bill walks into a bar, and the bartender says, "Get out -- this is a singles bar."

What's your current favorite stupid joke? Non-bar jokes are encouraged!

---L.