Horsemen tussling over goat carcasses, arrows flying across the steppe, titans hoisting logs aloft in feats of endurance. Such are the scenes as Astana – usually a staid city inhabited by straightlaced bureaucrats – hosts the World Nomad Games, which conclude September 13. Some 2,500 athletes from 89 countries – as far afield as Colombia and Zimbabwe – are competing in the games, informally dubbed the “Nomad Olympics.” Turkic culture is at the heart of the World Nomad Games, the brainchild of Kyrgyzstan, which hosted the first contest in 2014. Always attuned to a PR opportunity, Astana has har…