THERE is something deeply uncomfortable about what happened in Zambia on the final day of the constitutional window for challenging the August 13 presidential election. Courts across the country were closed. Armed police officers surrounded judicial premises. Citizens requiring access to justice could not freely access the courts. And this happened at precisely the moment when losing presidential candidate Brian Mundubile was expected to exercise his constitutional right to challenge the election of President Hakainde Hichilema.   We have heard explanations from the Judiciary. We heard explanations attributed to security sources. We were being told that there was a security threat. But even accepting that there was a security threat somewhere, the explanation still raises more questions than answers....