Julie Smith's claim to the New Orleans crime scene is indisputable. In House of Blues, she stretches her net of suspense and danger over the whole bewitching city, and her New Orleans beat goes on, ever stronger. Crime is Topic A across America. Even New Orleans, the most gracious American city, has hundreds of homicides each year, and sufficient random violence to keep the city's police force working overtime. So what's one more fatal shooting? When...