French group Doctors Without Borders is the latest to join in the scandal over sexual abuse in the foreign aid industry
He plans to cut foreign aid, putting US commitments to the continent at risk.
The continent can build on local-level networks and financial strategies such as stokvels to bring about socioeconomic transformation
Aid may often be criticised, but it works, says the Gates Foundation.
Four months after Bujumbura's key market was razed to the ground, thousands of traders and the economy itself are reeling from the blow.