http://www.kasparov.ru/material.php?id=5D4AEC3A560C6
https://www.gazeta.ru/business/2019/08/07/12563083.shtml
https://www.kommersant.ru/doc/4054209
https://ru.krymr.com/a/anneksirovanny-imax-bolshoy-kush-kinobiznesa-v-krymu/30092823.html
https://www.radiosvoboda.org/a/donbass-realii/30098061.html
https://www.gazeta.ru/business/2019/08/06/12561037.shtml
https://www.kommersant.ru/doc/4053602
Unless Russia and the United States resume some form of regular diplomacy and dialogue, any sudden crisis might escalate into nuclear war.