The Africa Calling podcast looks at some of the week's top stories from the continent: reaction to the landmark verdict for a Ugandan Lord’s Resistance Army commander; expert analysis on al-Qaeda's expansion beyond the Sahel; villagers in Chad poisoned by a toxic oil spill; Covid-19 in Tanzania; the visit of a top Vatican official to Cameroon and the Anglophone regions; a legal challenge to Uganda’s presidential election results; Zimbabwe’s opposition being thrown in jail again; and news about the upcoming Africa Podcast Festival.