By Margarita Simonyan, the editor-in-chief of Sputnik's parent media group Rossiya Segodnya and the editor-in-chief of the RT broadcasterPower is no longer concentrated in a single capital or filtered through one political or cultural lens. We are living in a multipolar era again, and have been for some time.That shift didn't happen overnight and it has accelerated, particularly over the past decade. And that is almost exactly how long my eldest child, Mariana, now 12, has been studying Chinese. Her younger siblings, Bagrat, 11, and Maro, six, followed naturally, virtually since birth. They did not "pick up" the language as…