I had settled on an idea for a cartoon on another subject when the news of O.J. Simpson’s death was announced. Of course, I dropped what I was doing and went to work on an O.J. cartoon. I had already drawn most of the cartoon when I got a better idea, but I only had to delete a portion of the artwork. It was fun. My pal Jack Ohman, a brilliant Pulitzer Prize-winning cartoonist in Sacramento, texted me, “Let the OJ cartoons begin.” There will be a lot of them throughout the day. I’m sure most of my colleagues also dropped what they were doing for O.J. One person has already commented on one of …