Ask virtually any store manager at the Saint Louis Galleria about shoplifting, and you'll invariably get two responses: One, it's out of control; and two, it's gotten exceedingly worse since August 2006, when MetroLink opened a stop just 500 yards from the high-end shopping center. In the first six months of this year, Richmond Heights police made 345 arrests at the mall. That's nearly double the number of arrests made in all of 2005, before MetroLink opened its Shrewsbury line. This year police are on pace to take 276 juveniles into custody for shoplifting and other offenses — a sevenfold...