HARARE – Job Sikhala’s conviction for obstructing the course of justice was quashed by the High Court in Harare on appeal Monday, but the former Zengeza West MP remains jailed on unrelated charges. Sikhala was convicted by Harare magistrate Marehwanazvo Gofa in May over a video posted online in which he blamed Zanu PF supporters for the killing of Citizens Coalition for Change activist…