NEW HAVEN >> A petition signed by 37 alumni asks Yale University President Peter Salovey to create an independent faculty committee to consider revoking the honorary degrees granted to Swiss industrialist Stephan Schmidheiny and to comedian Bill Cosby.Schmidheiny, who owned a string of asbestos concrete factories that have caused more than 2,000 deaths, was given his degree in 1996, four years after he sold his Swiss Eternit Group.