Opinion Russian President Vladimir Putin shakes hands with Turkish President Tayyip Erdogan during a meeting in Sochi, Russia September 29, 2021. Sputnik/Vladimir Smirnov/Pool via REUTERS When a Russian-led military force intervened in Kazakhstan, it did more than help Kazakh President Qasym-Johart Toqayev restore and strengthen his grip on power following days of protest and violent clashes with security forces. The intervention brought to the fore a brewing competition for spheres of influence in Eurasia between perceived Russian and Turkish worlds, whose boundaries are defined by civilization and/or language, rather than a nation state’s internationally recognized borders. It is a competition...