Logo courtesy HLS&RThe Houston Livestock Show & Rodeo is coming to town this week, the sign that spring can't be far behind.We've promised ourselves for weeks that we would never, ever succumb to the "25 Random Things" meme, or phenomenon, or whatever it is, but we have received in the mail a notice from the federal government that all media outlets must publish at least one such list (Damn you Obama!!)So here are 25 Random Facts About the Houston Livestock Show & Rodeo:1. It's