SUBSCRIBE for more speakers ► is.gd/OxfordUnion Oxford Union on Facebook: www.facebook.com/theoxfordunion Oxford Union on Twitter: @OxfordUnion Website: www.oxford-union.org/ After the death of its founder Morgan Tsvangirai, Chamisa became leader of Zimbabwe's largest opposition party. A key critic of the ruling ZANU-PF party, Chamisa is known for his rhetorical prowess. He previously served as Minister of Information & Technology and the Secretary General of the National Students Union. ABOUT THE OXFORD UNION SOCIETY: The Oxford Union is the world's most prestigious debating society, with an unparalleled reputation for bringing international guests and speakers to Oxford. Since 1823, the Union has been promoting debate and discussion not just in Oxford University, but across the globe.