 NORTHBROOK, Ill.--BUSINESS WIRE--The Allstate Corporation NYSE: ALL announced that Donald Brown, Executive Vice President and Chief Financial Officer of NiSource NYSE: NI and President of NiSource Corporate Services, has been elected to Allstates Board of Directors, effective Nov. 1. As of that date, the Allstate board will stand at 12 directors. Donald brings financial expertise and an extensive background in leading shared services organizations. He will add to our boards strategic l 