California Attorney General Kamala Harris stressed the need to treat the gang problem with a community approach using prevention, intervention and enforcement. Harris was the guest speaker at Mayor Kevin Johnson’s gang forum Tuesday night in Meadowview. “We have to be smart on crime,” Harris said, eschewing the old notion of the only two choices being to be hard or soft on crime. She likened the gang violence problem to a public health problem like an epidemic: The best way to prevent it is through inoculations and early treatment, but by the time it is being dealt with in the emergency room, it’s too late, and too expensive. Harris said combating gang violence should be dealt with regi