This Colorado steel mill 'built the American west,' but its ownership has ties to Russia

The steel mill that looms over low-slung neighborhoods in Pueblo, Colorado, is a rare bright spot for American manufacturing. Once part of the state's largest private employer, pumping out steel that was used to build rail lines across the Western US, it is now in the midst of a major expansion and recently became the world's first steel plant to run almost entirely on solar power.