[img_assist|nid=2464|title=Belas cats|desc=|link=none|align=left|width=200|height=149]Process control legend and long-time Control columnist Bela Liptak has emailed us over the weekend that he's engaged in a new area of research--controlling cats. Over the weekend, he and his wife acquired three kittens from the same litter and are now learning first-hand the reality behind that phrase, "herding cats." Hopefully, he can use some of his experience with applying herding algorithms to things like dampers in office buildings...