Not cool, Wisconsin. Michigan has spoken: There is only one Mitten State, and we’re it. The appearance of a Wisconsin-shaped mitten on TravelWisconsin.com, part of a tourism promotion, has raised some eyebrows on this side of our shared lake. It’s not that Wisconsin is entirely un-Mitten-shaped. If you squint your eyes in just such a way, perhaps after a few too many cans of Milwaukee's Best, you can sort of see where they’re coming from. But come on: Michigan is so obviously the Mitten State, it’s barely worth arguing. And Wisconsin already is conceding defeat. “The mitten was used as...