https://www.politico.com/story/2019/06/30/pentagon-russia-influence-putin-trump-1535243
http://www.kasparov.ru/material.php?id=5D190E2400E12
https://www.svoboda.org/a/30026076.html
https://www.gazeta.ru/comments/2019/06/28_e_12459667.shtml
http://www.kasparov.ru/material.php?id=5D15F3AB930CA
https://www.ft.com/content/670039ec-98f3-11e9-9573-ee5cbb98ed36