Al Gore Did Not Participate in Earth Hour?

There is some controversy regarding if Al Gore participated in Earth Hour. Drew Johnson drove by his house during Earth Hour and said that he saw numerous lights on. Al Gore has since issued a denial of sorts but Johnson is sticking with his story.

More at http://politics.nashvillepost.com/2009/03/29/al-gore-will-leave-the-lights-on-for-ya.