WASHINGTON, July 23 -- The U.S. Department of Homeland Security Federal Emergency Management Agency issued the following news release: DES MOINES, Iowa Iowa's recent severe storms and flooding have likely wreaked havoc on more than your house. Some of your priceless photos, books and other family treasures or heirlooms may have been damaged too. It might be tempting to throw these mementos away. But hold on. You may be able to save them with advice from FEMA preservation professionals at vari  more