October 17, 2008 7:40 am Obama, McCain Swap Punches for Punch Lines The presidential candidates poke fun at each other at a black tie dinner in New York. After a campaign full of jabs, they provide some comic relief. 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