Cindy Ames knew the two Army messengers on her doorstep yesterday morning could mean only one thing: Her husband was never coming home from the Persian Gulf. “I saw them standing there and I knew in my heart why they had come,” said Mrs. Ames, an Arcadia native. “They didn’t have to say anything. We just stood there and looked at each other, and I knew my husband was gone.” A tank mechanic sent to the Persian Gulf about six months ago, Sgt. David Ames died in battle somewhere in the sands of the Saudi Arabian desert. In the words of his young widow, David Ames died a hero. ...