It's a good one. Here's an Olympic joke:
Spy one: "We're surrounded- oh no!"
Spy two: "The speed skater? Where? Where?"
Yes, it is corny. Make some ethanol from it and run your car.

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"If you think the LHC will create black holes, you might as well believe Hobbits are at the bottom of your garden."- Dr. Mike Inglis
Rovers forever! - ToSeek
"Carl Sagan sent a message to ET,
Neil Armstrong walked in the Sea of Tranquility
Steve Squyers built Spirit and Opportunity
Dan Haylen upchucked in zero gravity." -Brent Simon, The Space Camp Song