Alex Izaguirreā This past Friday, Miami-Dade inspector general Christopher Mazzella announced his office had busted ex-schools police Sgt. Patricia Hobby stealing $2,841 in overtime she didn't work.To avoid jail time, Hobby agreed to resign from the schools police force, complete 150 hours of community service, and repay the money she didn't earn.But nothing happened to Campbell Drive Middle School principal Evonne Alvarez, who signed off on the false overtime for Hobby. According to the inspe