DEAN MOSIMAN In a surprise shift, the state is moving the preferred site of the proposed $120 million, 100,000-square-foot Wisconsin Historical Society museum from the top of State Street to a full block that now features a massive, half-century-old state office building near Capitol Square. Madison Youth Arts Center under construction at the corner of Mifflin and Ingersoll Streets The new site, which holds the four-story, 271,493-square-foot General Executive Facility, or GEF 1, is bounded by the 200 blocks of East Washington Avenue and East Main Street, and 10 blocks of South Bu...