Chicago: Homicides already pass mark for 2011, defying trend in other US cities

With two months left in 2012, the number of homicides in Chicago has already surpassed the total count for all of 2011, a trend sharply at odds with other large US cities. Deadly shootings over the weekend pushed the Chicago homicide total to 435, two more than the 2011 total of 433. Year-end homicide…