On September 10, 1897, in the hamlet of Lattimer Mines, Pennsylvania, an armed posse took aim and fired into a crowd of oncoming mine workers, who were marching in their corner of the coal-mining region to call their fellow miners out on strike. The marchers - Poles, Slovaks, Hungarians, most of whom could not yet speak English - were themselves armed only with an American flag and a timid, budding confidence in their new found rights as free men...