Enough snowmobilers are rocketing their machines atop patches of open water to create a name for the practice. It’s called skimming, and this past Sunday on New Hampshire’s Lake Winnipesaukee, 51-year-old Daniel Harper of Bellingham, MA, died doing it. With due respect for the dead, the whole thing does beg a question about the prudence (or sobriety) of skimmers in general. Or, as a friend of mine put it more bluntly than I might: “Does skimming make the inhabitants of northern states smarter by natural selection?” What do you think? (Click here for the story)