Why the US Is Pushing to Rebuild Its Copper Supply

-An hour east of Phoenix, Arizona. Might be a little too big. -We kind of reconditioned and repurposed a lot of old mining equipment.-More than a mile beneath the desert surface. -You get more comfortable once you're standing on the ground and you'll forget that you're so far below the ground. -The mining giant Rio Tinto thinks it's found one of the largest undeveloped copper deposits in the world.We had a chance to tour the facility back in late March. The Resolution Copper Mine sits on an ore deposit that ...