Today, the FBI announced that violent crime dropped 4% in 2011, compared to a 5.5% drop in 2010. Nationally, the murder rate fell 1.9% from 2010, and robbery, forcible rape and assault fell 4% each. However, among the cities with the highest violent crimes rates, the trend is not entirely positive. A 24/7 Wall St. review of 2011 FBI crime data shows that violent crime rose in more than half of the cities that have among the highest rates in the country. In seven of the 10 cities, murder rates increased. In eight of the 10, burglary went up. Strained...