Scientific American: When Wisconsins new state treasurer Matt Adamczyk took office in January, his first act was to order a highly symbolic change in stationery. Adamczyk, a Republican and one of three members of the board that oversees a small public lands agency, felt passionately that Tia Nelson, the agencys executive secretary, should be struck from the letterhead. As soon became clear, his principal objection to Nelson, daughter of former Wisconsin governor and environmentalist-hero Gaylord Nelson, was that...