A California judge who dealt with some of the state’s worst criminals — murderers, child abusers and serial rapists — has blasted Gov. Gavin Newsom for signing laws that she says have allowed dangerous felons to roam free and even serve on juries.Maryann Gilliard, who was a Superior Court judge in the Sacramento area for close to 27 years before retiring in August, said that laws allowing early release of “elder” felons and mental-health diversion laws have put the public