Jerseyan takes up a charge for Grant Descendant seeks to preserve tomb Sunday, April 25, 2004 His name is Ulysses Grant Dietz.He hasn't written anything like his famous ancestor's two-volume "Personal Memoirs of U.S. Grant." His writings have been on such topics as "Desmond: A Novel of Love and the Modern Vampire," a twist on the Dracula legend.But Dietz, who lives in Maplewood and is steeped in the art world as a curator of the Newark Museum, is not unlike the ancestor credited with helping to save the Union.President Abraham Lincoln, frustrated with the slowness of certain Union commanders to...