such posts are usually apocryphal...
For instance "It isn't pollution that's harming the environment. It's the impurities in our air and water that are doing it."
--Al Gore, Vice President "
Has been attributed to Dan Quayle, and Bush as well, I seem to remember it as being a bonafide quayle-ism, but I dont want to look it up....
There was an email going around long ago that took a list of Quayle-isms and attributed them to Gore... I think this is how the quote was attributed to him.