a joke overheard from another room

I'm sorry, I missed the beginning. Here's where I came in:

"...a terrorist has kidnapped Dubya and is asking for a million dollar ransom, or he'll douse the president with gasoline and set him on fire. So I'm taking up a collection."

"How much are people giving?"

"Oh, a gallon here, a gallon there."

Oh, here's another. This is rare; I'm usually never able to remember two jokes at once. It's like I only have space in my head for one at a time.

"George Bush is listening to your phone conversations. Use big words."