The biggest radioactive spill in US history

How the US poisoned Navajo Nation. As World War Two was ending, the growing nuclear arms race put the US in need of uranium. It turned to Navajo Nation, where the uranium mining industry thrived for four decades -- but left disease, pollution and the biggest radioactive spill in US history. That spill in Church Rock, New Mexico upended the lives of nearby residents, who had to grapple with toxic water, livestock and a lifetime of illnesses. Now, they are still waiting for it to be cleaned up. Have an i