Congo 's `` conflict minerals '' used in cell phones , other products , co-authors say . Comment: Co-authors : Consumers should urge companies to make products conflict-free . They say Obama administration should work with the Congo to develop legitimate mining .
Congo 's `` conflict minerals '' used in cell phones , other products , co-authors say . Financial regulation law requires makers of electronics to audit supply sources . Co-authors : Consumers should urge companies to make products conflict-free . They say Obama administration should work with the Congo to develop legitimate mining .