DR Congo: What's behind the instability?

The government in the Democratic Republic of Congo has said that at least 43 people were killed when soldiers broke up a demonstration against UN peacekeepers in the eastern city of Goma on Wednesday. We ask what's behind the chronic instability in the DRC? Around 80 percent of all farms in Africa are tilled by smallholder farmers. They produce most of the food we eat on the continent - and yet they get very little recognition for what they do. We hear from Wangari Kuria, the founder of Farmer on Fire. She is challenging the leaders currently meeting in Nairobi at the first Africa Climate Summit.And we do a deep dive on the Bongos; the family that has held power in Gabon since 1967.