Gang Concerns Prompt School T-Shirt Ban POSTED: 3:22 pm EDT April 23, 2004 UPDATED: 5:42 pm EDT April 23, 2004 CHARLOTTE, N.C. -- A Charlotte-Mecklenburg middle school has banned students from wearing solid color T-shirts. The principal at Northridge Middle School sent a letter to parents on Thursday saying that groups of students have begun wearing white and pink T-shirts that could be a system to identify different gangs. "We're not saying there are gangs at the school, but we are saying there had been some rumors and there were some students who were concerned and some discussions about not...