A popular Phoenix disc Radio DJey is demand ing answers after purchasing two tickets to the NFC Championship game he says never actually existed. Pete Cummings, afternoon DJ on KSLX, 100.7 FM, says he bought two tickets on Ticketmaster.com to see the Arizona Cardinals take on the Philadelphia Eagles for approximately $420. Cummings and his girlfriend went to the game and upon arriving in their section, Cummings claims they were approached by an u