Mary Beth Kelly: As safe-streets advocate, I am constantly amazed at just how many New Yorkers remain blasé about the serial killer hiding in plain sight.
The state Department of Motor Vehicles will have to do a better job of instructing would-be drivers that they're not the only vehicles on the road, and that their fellow motorists aren't the only thing to watch out for, thanks to a long-stalled Senate bill that finally passed on Tuesday.