Not that it's much consolation to the people losing their homes in the flood of 1997, or to the volunteers filling and stacking sandbags in the freezing cold, but it could have been worse. It could have been worse if there hadn't been the great flood of 1927, when man and nature conspired to cause one of the country's worst disasters ... worse if a flood seventy years ago hadn't forced a major change in the way we deal with disasters. Journalist John Barry is author of "Rising Tide: The Great Mississippi Flood of 1927 and How it Changed the World." John Barry's book is called "Rising Tide: The Great Mississippi Flood of 1927 and How it Changed the World." He'll be at Barnes & Noble in the Galleria in Edina at 7 tonight. Sun 28-MAY 20:01:01 MPR NewsPro Archive - Wed 04/11/200