Hemispherx Biopharma Appoints Peter W. Rodino III, Esq. to the Board of Directors and to Serve as Chairman of the Company's Audit Committee PHILADELPHIA, July 29, 2013 (GLOBE NEWSWIRE) -- Hemispherx Biopharma, Inc. (NYSE MKT:HEB) (the "Company" or "Hemispherx"), announced that effective July 23, 2013, the Board of Directors of Hemispherx...