Columns, op-eds, and interviews posted here are the views of the individual and not of Opportunity Ohio. O2 posts these items for informational purposes only.

Book Review- Cobalt Red-How the Blood of the Congo Powers Our Lives by Siddharth Kara

Read O2 President Matt Mayer’s review on Siddharth Kara’s “Cobalt Red: How the Blood of the Congo Powers Our Lives.”