From the ArcaMax Publishing, Jokes Newsletter:
http://www.arcamax.com/news/jokes/s-361025-282759
Taking his seat in his chambers, the judge faced the opposing lawyers.
"So," he said, "I have been presented, by both of you, with a bribe."
Both lawyers squirmed uncomfortably. "You, attorney Leon, gave me
$15,000. And you, attorney Campos, gave me $10,000."
The judge reached into his pocket and pulled out a check. He handed it
to Leon ... "Now then, I'm returning $5,000, and we're going to decide
this case solely on its merits."