LOS ALAMITOS He had trained for this but no amount of training could fully prepare him for it. This was U.S. Marine Isidro Cervantes' first mission of the kind -- to inform a Yorba Linda father that his only son died fighting for his country. Cervantes played the key words from the incident report over in his head, working to commit them to memory. Explosion. March 24. Killed in Action. Afghanistan. The words needed to come out smoothly and confident, yet compassionate. As he walked to the door he saw the garage open. Inside, a man was crying. Cervantes wanted...