Chief is 20 years old today. I can no longer claim he’s merely a teenager when anyone says he’s old. The truth is, he is old. Twenty years ago, I was just a teenager myself. I asked my mother if we could just look at kittens. Sure, just to look. But one look was all I needed. Chief pawed through the cage when every other cat asked to be left alone. We didn’t get him that day, because we were just looking. Mom came home later that week with Chief in tow, as a surprise. We’ve been insep...