Channel Surfing by Laura Nachman Bucks County Courier Times October 7, 2004 Longtime Philadelphia radio personality Mark "The Shark" Drucker of KYW 1060-AM is being treated for cancer at Holy Redeemer Hospital in Huntington Valley, PA.  Through a friend, Drucker, 48, said that he is "fighting hard and keeping his spirits up."  Drucker does the entertainment report "The Buzz" on KYW.  In the 80's, he was part of the extremely popular "Morning Zoo" on WMMR 93.3-FM. Drucker, a resident of Newtown, PA, is divorced and has a 10-year-old daughter. Cards and letters may be sent to Mark Drucker, Holy Redeemer Hospital, Room 2069, Huntington Valley, PA 19006.