He's acting sheriff with the emphasis on "act." Jack Anderson, who wants to be appointed as Mike Carona's permanent replacement, has already fired a former superior (Jo Ann Galisky) amid a grand jury probe of a jail beating death. And he's gone where Carona didn't dare: He has proposed replacing close to 800 jail deputies with lower-paid correctional officers. (The replacements would be phased in as deputies retire or are reassigned.) The deputies' union has howled, but the supes have reacted favorably toward an idea that could save tens of millions of dollars annually. And Nick Berardino, whose union for non-deputy county employees could wind up representing the new jail personnel, calls Anderson's plan "the boldest move in 30 years of county government." Compared to it, says Berardino, Supe John Moorlach's attempt to rescind the deputies' "retroactive" pension increases, "looks like a lawn party" ...