A blonde and a brunette are watching TV and the news comes on, showing a guy on a bridge about to jump.
The brunette says, "I'll bet you ten bucks he jumps."
The blonde says, "You're on."
Well, the guy on TV jumps off the bridge, so the blonde hands over the money.
The brunette sighs and says, "I can't take your money. I cheated you. The same story was on the five o'clock news."
The blonde says, "No, no. Take it. I saw the five o'clock news too. I just didn't think the guy was dumb enough to jump again."