During the State Republican convention, Sen. Cornyn's folks put together a little something-something to show the convention attendees: this laugh-out-loud introduction/refresher on "Big John" Cornyn. Only in about 15 seconds of the video is Cornyn shown without a cowboy hat, while a man with a deep bass voice tells us that John "is doing the Lord's work for Texas" (oh, God was against the updated GI Bill?) and a choir keeps singing in the background, "Big Johhhhhn."...