In yesterday's obit for Buck Henry, I mentioned his brief stint as a correspondent for The Daily Show with Jon Stewart and asked if I was the only person who remembered it. A few of you did and my buddy Dana Gabbard steered me to videos of his two appearances. That's all he made and this was his first one. The Comedy Central website is a little screwy with its video embeds so this may take a few seconds to start and you may have to sit through a commercial or it may not work at all. But if it does work, you'll see Buck Henry on The Daily Show for 8/8/2007…