On the corner of Ramona and Garfield Street, across from the Pasadena Police Department, 4-year-old Lucas stands outside an electric gate where he can watch police officers come and go between shifts. There’s the undercover car. The SWAT car. A car for the K9 unit and the police cars that go out for traffic and park safety. Lucas knows them all by memory. Wearing mirrored sunglasses and a police costume his “Nonna” gave him for his birthday, Lucas waves “hello” to all of the police officers who exit the gate. And everyone waves right back. …