Actor Kevin Bacon had a conversation with his six-year-old son after the boy had seen the movie Footloose for the first time. Bacon's son said, "Dad, that was really cool how you jumped up on the roof and swung from the rafters. How did you do that?"

"Well, son," said Bacon, "I didn't actually do that part. A stunt man did."

"What's a stunt man?" asked his son.

"That's someone who dresses like me," said Bacon, "and does things I can't do. Things that are too dangerous."

"Oh, well, what about that part in the movie where you spin around on that gym bar and land on your feet," persisted the boy. "How did you do that?"

"Well, son," said Bacon, "that was the stunt man again, not me. He's really good at gymnastics."

"Oh," said his son. Then there was a long pause. "Dad," his son asked, "j…