The Brown County Historical Society is proud to announce the opening of its newest exhibit, Willibald Bianchi: Beyond the Call of Duty, on Friday, May 1 from 5 to 7 p.m. and Saturday, May 2, from 10 a.m. to 3 p.m. (with free admission to the Brown County Museum, 2 N. Broadway in New Ulm, for these opening days). The exhibit honors the extraordinary life of New Ulm native Willibald “Bill” Bianchi, a Medal of Honor recipient whose courage, sacrifi…