Comcast-Spectacor's ticketing services subsidiary is closing a Chester County call center in a move that will result in the elimination of about 24 part-time positions. Last May, Philadelphia -based Comcast-Spectacor said it was combining its two ticket companies- New Era Tickets in Exton, Pa., and Paciolan in Irvine, Calif., into one under the Paciolan brand. Comcast-Spectacor had been a minority investor in Paciolan up until 2010, when it gained full ownership of company after the Department...