NEW PATRIOTIC PARTY v. GHANA BROADCASTING CORPORATION     Constitutional law—Political parties—Access to state-owned media—Nature of right—State obliged under article 55(11) to provide fair opportunity to political parties to present programmes to public by ensuring equal access to state-owned media—Meaning of "equal access"—State-owned media obliged by article 163 to grant fair opportunities and facilities for presentation of divergent views and dissenting opinions—Object of provision—Meaning of "fair"—Burden on state-owned media—Government formed by National Democratic Party (NDC)—Controversy over 1993 budget presented by government—NDC given two hours air-time by defendant state-owned media to defend budget—Defendant refusing request from opposition New Patriotic Party (NPP) for equal time to criticise budget—Whether defendant obliged to grant request—Constitution, 1992, arts 55(11) and 163.