August 4, 2010 12:08 pm 18 States Now Have Sales Tax Holidays A number of states will have a holiday this weekend even though kids might not want to know what is being celebrated. Local 14:23 NYPD arrests around 100 protesters at Columbia University 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 3:21 Katy Perry's surprising regret about cheeseburger Met Gala look