https://www.inopressa.ru/article/25Dec2018/diepresse/unite.html
https://www.gazeta.ru/business/2018/12/25/12107755.shtml
http://www.ng.ru/politics/2018-12-25/3_7473_opros.html
https://www.znak.com/2018-12-25/uluchshenie_konstitucii_dolgiy_put_kotoromu_net_alternativy
https://www.kommersant.ru/doc/3842329
https://theins.ru/opinions/133615
Regional experts also predicted that Russia may look to take advantage of the uncertainty created by James Mattis's resignation as President Trump's defense secretary.
https://www.newsweek.com/ukraine-russia-war-attack-christmas-1270621