In a diplomatic cable released by WikiLeaks last year, there was...

In a diplomatic cable released by WikiLeaks last year, there was mention of a cobalt mine in the Democratic Republic of Congo. The document revealed that the U.S. Department of Homeland Security considered this mine so vital that its “incapacitation or destruction … would have a debilitating impact” on U.S. security or the national economy. That’s because the U.S. is the world’s largest consumer of cobalt, but mines none of it.   Hmmm....Cobalt could be the winner here......................