May 23, 2012 10:44 am Celebrating the “Dateline” 20th Anniversary “Dateline” correspondents Hoda Kotb, Chris Hanson, Keith Morrison, Josh Mankiewitz and Dennis Murphy chat about the 20th anniversary special and some of their favorite moments on the show. 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