A soldier finds it hard to shed the war in civilian life

SAN ANTONIO, Texas — This Fourth of July, the Cardona family had more to celebrate than just America’s independence. Juan Cardona had just returned from his second deployment to Iraq and was enthusiastically greeted by friends and family at his parents’ home. But Cardona wasn’t exactly comfortable with the sight of so many smiling faces. “I don’t like being around, like, large crowds. I always kind of have to keep my back to a wall.