A John Wayne flop has been linked to high cancer rates. A new documentary aims to tell the community’s story.

The 1956 movie “The Conqueror” is infamous among cinephiles, both for its casting of John Wayne as the Mongolian warlord Genghis Khan and for a suspicious number of deaths that followed its filming downwind of a nuclear test site. Nearly 70 years later, the makers of the documentary &#..