AN EVALUATION OF THE MEDIA COVERAGE OF THE 2011 GENERAL ELECTIONS IN ZAMBIA: A CASE STUDY OF THE ZAMBIA NATIONAL BROADCASTING CORPORATION RADIO, MUVI TV, TIMES OF ZAMBIA AND THE POST NEWSPAPER By YOUNGSON NDAWANA A dissertation submitted to the University of Zambia in partial fulfilment of the requirements for the Degree of Master of Mass Communication THE UNIVERSITY OF ZAMBIA LUSAKA June 2012