What's behind Russia's increasing presence in Mali?

Sergey Lavrov is visiting Mali this week in the first official trip by a Russian foreign minister to the West African nation. Mali's junta has turned to Moscow to help it fight armed groups. So, is Moscow extending its reach in Africa at the expense of western powers? Join host Adrian Finighan. Guests: Sergei Markov - Director, Institute of Political Studies. Ovigwe Eguegu - Policy Analyst at the Africa-focused consultancy Development Reimagined. Gesine Weber - Fellow at the German Marshall Fund of the United States.