August 28, 2008 1:44 pm VIDEO: Accused Cop-Impersonating Robbers Researchers have developed a new device that delivers anesthesia to a single tooth instead of numbing the entire side of the mouth. How does it work? Local 2:06 Art installation more than a mile long unveiled in Queens neighborhood 2:45 Fourth day of wooded searches linked to Gilgo Beach murders 2:08 Bridge repairs causing problems at the Jersey Shore 2:52 Columbia students continue protest after deadline passes 2:10 Van Zandt brothers honored in New Jersey street naming