February 16, 2009 5:54 pm Conan O'Brien Looks Back Conan O’Brien reflects on “Late Night” as he prepares to move to “The Tonight Show”. Local 14:23 NYPD arrests around 100 protesters at Columbia University 29:11 NYPD moves in on protesters at Columbia University making dozens of arrests 1:45 NYPD enters Columbia University in riot gear to clear protest 1:14 El Minuto 4/30 Spanish Edition 1:02 El Minuto 4/30 English Edition