Frustrated Orange County authorities, unable to stop Wednesday’s release of a man who raped 7- and 8-year-old girls in the early 1980s, warned Tustin and Santa Ana residents today and vowed to push for laws to make it harder for sexually violent predators to get paroled. Lawrence Joseph Brown, 52, who was convicted in 1985 of sexually assaulting two young girls, is scheduled to be released from Chino State Prison Wednesday. Orange County District Attorney Tony Rackauckas held a news conference with Santa Ana police Chief Paul Walters, Tustin police Chief Scott Jordan and Sen. Lou Correa, D-Santa Ana, to...