Officials say more security is needed at courthouses in Providence following a shooting incident outside the Garrahy Judicial Complex last Thusday.  It's the second time in recent months that gunfire has erupted outside a court building in the city.  State Supreme Court Chief Justice Paul Suttell says the streets are becoming the battlefields for gangs who lay in wait for rivals to emerge from court appearances.  Suttell and Attorney General Peter Kilmartin say more armed state troopers and Providence police officers are needed both inside and outside courthouses.