It was the 7th May 2007, here is the link to the White House website for that day
http://www.whitehouse.gov/news/releases/2007/05/20070507.html
Here is where I stored the photos for the Dose thread that night.
http://sanityisland.us/gallery2/main.php/v/Daily+Dose/Snugs/Dose+-+7th+May+2007/GWB/
Thank you, thank you!