Can Tanzania's opposition defeat the ruling CCM party?

Tanzania’s main opposition party CHADEMA is determined to unseat the ruling Chama Cha Mapanduzi (CCM) party in this year's election. CHADEMA and rights groups accuse President Samia Suluhu Hassan of clamping down on political dissent. But can they stage an upset? Eddy Micah Jr. talks to Majjid Mjengwa a political analst based in Daaersalem and DW correspondent Naomi Achieng in Dar es Salaam.