Joke for today?

[eastendlu]

*A stranger was seated next to a little girl on an airplane. When the
> plane took off and settled into its climb, the stranger turned to the
> little girl and said 'I've always found that flights go quicker if you
> strike up a conversation with your fellow passenger.'**
>
> **The little girl, who had just opened her book, closed it slowly and
> said to the stranger, 'OK. What would you like to talk about?'**
>
> **Oh, I don't know,' said the stranger. 'How about nuclear power?'**
>
> **'Yes,' she said. 'That could be an interesting topic. But let me ask
> you a question first. A horse, a cow and a deer all eat grass -- the
> same stuff. Yet a deer excretes little pellets, while a cow turns out a
> flat patty and a horse produces clumps of dried grass. Why do you
> suppose that is?'**
>
> **The stranger thought for a few moments, then said: 'You know, I've
> never thought about that. I have no idea.'**
>
> **The little girl began to open her book again, saying: 'Do you really
> feel qualified to discuss nuclear power when you don't know sh_t.*