Irish greyhound racing authorities have banned trainers from giving dogs the anti-impotence drug Viagra in case it is used to boost their performance on the track..." and "... Viagra could be used to raise the dogs' blood pressure and therefore heart rate, making them run faster in the early stages of a race."

If Viagra really does offer an advantage to these dogs, wouldn't the whole plan backfire? I mean, come on, it'd be really easy to spot which one was going to be the winner, wouldn't it? ".. and it looks like the winner is going to be Rover, by a nose... wait, that's not his nose..."