http://www.ng.ru/cis/2015-12-30/6_sng.html
Top officials have warned that the United States’ depth of knowledge and capacity for collecting information on Russia is not up to snuff.
http://sanctions.zn.ua/summation
http://lenta.ru/articles/2015/12/29/economy2015/
http://money.rbc.ru/news/568157fe9a79478642cd706a
http://www.inopressa.ru/article/29Dec2015/sueddeutsche/sanktionspolitik.html