Trick or Treat?

[phkrause]

Shirley Rosenberg took her parents out for an evening show – a well-known magician – and she schlepped her husband Sidney along.

After one particularly amazing trick, someone screamed out, “Wow, how did you do that?”

“I would tell you,” answered the magician predictably, “but then I’d have to kill you.”

After a moment’s pause Sidney screamed out, “If you need to tell someone, my mother in law will volunteer.”