An old dollar bill and an even older $20 arrive at a Federal Reserve Bank to be retired.
"I've had a pretty good life," the $20 says. "I've been to Vegas, the finest restaurants in New York, and even on a Caribbean cruise."
"You did have an exciting life!" the dollar says.
"Where have you been?" the $20 asks.
"Oh, I've been to the Methodist church, the Baptist church, spent some time with the Lutherans..."
"Wait," the $20 interrupts. "What's a church?"