April 27, 2016 2:45 pm Jockey Training for the Derby Audrina goes to jockey school where she learns the intense training jockeys must go through to become thoroughbred racers. 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