Report: US must enhance critical minerals strategy in Africa

FILE - Excavators and drillers at work in an open pit at Tenke Fungurume, a copper and cobalt mine 110 km (68 miles) northwest of Lubumbashi in Congo's copper-producing south, Jan. 29, 2013.

The United States must refine its Africa policy with a focus on critical minerals, including boosting its diplomatic and commercial presence in African mining hubs, says a report from the Washington-based United States Institute of Peace, or USIP.